Fiber Optic Attenuators

Fiber optic attenuators are passive devices used to reduce the power level of an optical signal. They are available in fixed and variable types, and come with connectors like FC/PC or LC/APC for easy integration.

Product	Wavelength Range	Maximum Optical Power	Fiber Type	Availability	Price (USD)
Variable Fiber Optic Attenuator	1310 nm, 1480 nm, 1550 nm	-	SM Fiber	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 1310 nm, 1480 nm, 1550 nm Fiber Type SM Fiber Return Loss > 50 dB Attenuation 20 dB Fiber Connector Type FC/APC Key Features Variable Attenuation Core Diameter 8 μm Supplier Location Germany See product details More from ID Photonics
Variable Optical Attenuator Cassette	1260 - 1650 nm	199.5 mW (23 dBm, Average)	SMF-28	Contact Supplier	Add to cart to request quote
Product Code Manufacturer VIAVI Wavelength Range 1260 - 1650 nm Maximum Optical Power 199.5 mW (23 dBm, Average) Fiber Type SMF-28 Return Loss > 55 dB Attenuation 0 - 70 dB Fiber Connector Type FC/APC Key Features Independent 80 dB Shutter Variable Attenuation Measurement Range +11 dBm to -49 dBm Supplier Location Massachusetts, USA See product details More from Fiber Optic Center
Fixed Fiber Optic Attenuator	1240 - 1620 nm	1 W	-	In stock	$ 31.52
Product Code Wavelength Range 1240 - 1620 nm Maximum Optical Power 1 W Return Loss > 60 dB Attenuation 15 dB (±1 dB) Fiber Connector Type FC/APC Key Features Fixed Attenuation Transmission 3.2% (±0.8%) Polarization-Dependent Loss < 0.1 dB Operating Temperature -40 to 85 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 17.16
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 60 dB Attenuation 5 dB (±0.5 dB) Fiber Connector Type SC/APC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Variable Optical Attenuator Cassette	1260 - 1650 nm	199.5 mW (23 dBm, Average)	SMF-28	Contact Supplier	Add to cart to request quote
Product Code Manufacturer VIAVI Wavelength Range 1260 - 1650 nm Maximum Optical Power 199.5 mW (23 dBm, Average) Fiber Type SMF-28 Return Loss > 55 dB Attenuation 0 - 70 dB Fiber Connector Type FC/APC Key Features Independent 80 dB Shutter Variable Attenuation Measurement Range +11 dBm to -49 dBm Supplier Location Massachusetts, USA See product details More from Fiber Optic Center
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 17.16
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 60 dB Attenuation 5 dB (±0.5 dB) Fiber Connector Type FC/APC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Electronic Variable Fiber Optic Attenuator	488 - 600 nm	100 mW	460HP	Contact Supplier	$ 562.28
Product Code Wavelength Range 488 - 600 nm Maximum Optical Power 100 mW Fiber Type 460HP Return Loss > 30 dB Attenuation 2.5 dB (Minimum) > 30 dB (Maximum) Fiber Connector Type FC/PC Key Features Electronic Optical Attenuator Fixed Attenuation Variable Attenuation Dimensions Ø 15.7 x 50.1 x 500 mm (±100 mm, 0.62 x 1.97", Length Excluding Fiber Leads, Length of the Fiber Leads) Frequency Bandwidth 0 - 1 kHz Input Voltage 0 - 5 V 10 V (5 mA) Supply Voltage 0 - 5 V 10 V (5 mA, Maximum) Applications Lasers Modulation Bandwidth 0 - 1 kHz Operating Temperature 0 - 40 °C Relative Humidity 5 - 85% Input Impedance High-Z Storage Temperature -20 to 70 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Variable Fiber Optic Attenuator	980 nm 960 - 1000 nm	300 mW	HI1060	In stock	$ 369.44
Product Code Wavelength Range 980 nm 960 - 1000 nm Maximum Optical Power 300 mW Fiber Type HI1060 Insertion Loss < 1.5 dB Return Loss > 40 dB Attenuation 1.5 - 50 dB Fiber Connector Type FC/APC Key Features Narrowband, Variable Attenuation Dimensions 26 x 18 x 8 mm Transmission 0.001 - 70.8% Attenuation Resolution 0.15 dB Operating Temperature 0 - 70 °C Storage Temperature -40 to 85 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Variable Optical Attenuator Cassette	750 - 1350 nm	199.5 mW (23 dBm, Average)	OM3, OM4	Contact Supplier	Add to cart to request quote
Product Code Manufacturer VIAVI Wavelength Range 750 - 1350 nm Maximum Optical Power 199.5 mW (23 dBm, Average) Fiber Type OM3, OM4 Return Loss > 45 dB Attenuation 0 - 65 dB Fiber Connector Type FC/PC Key Features Independent 80 dB Shutter Variable Attenuation Measurement Range +11 dBm to -49 dBm Supplier Location Massachusetts, USA See product details More from Fiber Optic Center
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 17.16
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 60 dB Attenuation 10 dB (±0.7 dB) Fiber Connector Type FC/APC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Variable Fiber Optic Attenuator	780 nm 760 - 800 nm	300 mW	HI780	In stock	$ 411.03
Product Code Wavelength Range 780 nm 760 - 800 nm Maximum Optical Power 300 mW Fiber Type HI780 Insertion Loss < 2.1 dB Return Loss > 40 dB Attenuation 2.1 - 50 dB Fiber Connector Type FC/PC Key Features Narrowband, Variable Attenuation Dimensions 26 x 18 x 8 mm Transmission 0.001 - 61.7% Attenuation Resolution 0.15 dB Operating Temperature 0 - 70 °C Storage Temperature -40 to 85 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Variable Optical Attenuator Cassette	750 - 1350 nm	199.5 mW (23 dBm, Average)	OM3, OM4	Contact Supplier	Add to cart to request quote
Product Code Manufacturer VIAVI Wavelength Range 750 - 1350 nm Maximum Optical Power 199.5 mW (23 dBm, Average) Fiber Type OM3, OM4 Return Loss > 45 dB Attenuation 0 - 65 dB Fiber Connector Type FC/PC Key Features Independent 80 dB Shutter Variable Attenuation Measurement Range +11 dBm to -49 dBm Supplier Location Massachusetts, USA See product details More from Fiber Optic Center
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 20.28
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 50 dB Attenuation 15 dB (±1 dB) Fiber Connector Type LC/UPC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Variable Optical Attenuator Cassette	1260 - 1650 nm	199.5 mW (23 dBm, Average)	SMF-28	Contact Supplier	Add to cart to request quote
Product Code Manufacturer VIAVI Wavelength Range 1260 - 1650 nm Maximum Optical Power 199.5 mW (23 dBm, Average) Fiber Type SMF-28 Return Loss > 55 dB Attenuation 0 - 70 dB Fiber Connector Type FC/APC Key Features Independent 80 dB Shutter Variable Attenuation Measurement Range +11 dBm to -49 dBm Supplier Location Massachusetts, USA See product details More from Fiber Optic Center
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 17.16
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 50 dB Attenuation 15 dB (±1 dB) Fiber Connector Type SC/UPC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Variable Fiber Optic Attenuator	630 nm (±20 nm)	300 mW	SM63-PS-U25A	In stock	$ 961.04
Product Code Wavelength Range 630 nm (±20 nm) Maximum Optical Power 300 mW Fiber Type SM63-PS-U25A Insertion Loss < 3 dB Return Loss > 40 dB Attenuation 3 - 50 dB Fiber Connector Type FC/APC Key Features Polarization Maintaining Variable Attenuation Dimensions 26 x 18 x 8 mm Transmission 0.001 - 50.1% Attenuation Resolution 0.15 dB Operating Temperature 0 - 70 °C Fiber Cable Length 1 m Extinction Ratio > 16 dB Storage Temperature -40 to 85 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Variable Optical Attenuator Cassette	750 - 1350 nm	199.5 mW (23 dBm, Average)	OM3, OM4	Contact Supplier	Add to cart to request quote
Product Code Manufacturer VIAVI Wavelength Range 750 - 1350 nm Maximum Optical Power 199.5 mW (23 dBm, Average) Fiber Type OM3, OM4 Return Loss > 45 dB Attenuation 0 - 65 dB Fiber Connector Type FC/PC Key Features Independent 80 dB Shutter Variable Attenuation Measurement Range +11 dBm to -49 dBm Supplier Location Massachusetts, USA See product details More from Fiber Optic Center
Electronic Variable Fiber Optic Attenuator	620 - 850 nm	100 mW	PM630-HP	In stock	$ 1025.14
Product Code Wavelength Range 620 - 850 nm Maximum Optical Power 100 mW Fiber Type PM630-HP Return Loss > 30 dB Attenuation 2.5 dB (Minimum) > 30 dB (Maximum) Fiber Connector Type FC/APC Key Features Electronic Optical Attenuator Variable Attenuation Dimensions Ø 15.7 x 50.1 x 500 mm (±100 mm, 0.62 x 1.97", Length Excluding Fiber Leads, Length of the Fiber Leads) Frequency Bandwidth 0 - 1 kHz Input Voltage 0 - 5 V 10 V (5 mA) Supply Voltage 0 - 5 V 10 V (5 mA, Maximum) Beat Length 1.8 mm (630 nm) Mode Field Diameter 4.5 μm (±500 nm, at 630 nm) Polarization Extinction Ratio > 13 dB Operating Temperature 0 - 40 °C Relative Humidity 5 - 85% Input Impedance High-Z Storage Temperature -20 to 70 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Variable Fiber Optic Attenuator	1300 - 1550 nm	2 W	-	6 - 12 weeks	$ 3073.00
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 2 W Return Loss 50 dB Attenuation 60 dB (Maximum) Fiber Connector Type FC/UPC Key Features Variable Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Electronic Supplier Location California, USA See product details More from OptoSigma
Fixed Fiber Optic Attenuator	1240 - 1620 nm	1 W	-	In stock	$ 26.27
Product Code Wavelength Range 1240 - 1620 nm Maximum Optical Power 1 W Return Loss > 40 dB Attenuation 3 dB (±0.05 dB) Fiber Connector Type FC/PC Key Features Fixed Attenuation Transmission 50.1% (±6.1%) Polarization-Dependent Loss < 0.1 dB Operating Temperature -40 to 85 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 17.16
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 50 dB Attenuation 3 dB (±0.5 dB) Fiber Connector Type FC/UPC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Variable Fiber Optic Attenuator	1064 nm (±20 nm)	300 mW	SM980PS-U25A	Contact Supplier	$ 774.53
Product Code Wavelength Range 1064 nm (±20 nm) Maximum Optical Power 300 mW Fiber Type SM980PS-U25A Insertion Loss < 1.3 dB Return Loss > 45 dB Attenuation 1.3 - 50 dB Fiber Connector Type FC/APC Key Features Polarization Maintaining Variable Attenuation Dimensions 26 x 18 x 8 mm Transmission 0.001 - 74.1% Attenuation Resolution 0.15 dB Operating Temperature 0 - 70 °C Fiber Cable Length 1 m Extinction Ratio > 18 dB Storage Temperature -40 to 85 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Variable Fiber Optic Attenuator	1550 nm	2 W	-	In stock	$ 435.00
Product Code Wavelength Range 1550 nm Maximum Optical Power 2 W Return Loss 60 dB Attenuation 80 dB (Maximum) Fiber Connector Type FC/APC Key Features Variable Attenuation Core Diameter 8 μm Cladding Diameter 125 μm Center Wavelength 1550 nm Weight 100 g Attenuator Configuration Pigtail, 16-mm SQ housing Supplier Location California, USA See product details More from OptoSigma
Variable Fiber Optic Attenuator	780 nm (±20 nm)	300 mW	SM85-PS-U25A	In stock	$ 857.68
Product Code Wavelength Range 780 nm (±20 nm) Maximum Optical Power 300 mW Fiber Type SM85-PS-U25A Insertion Loss < 2.1 dB Return Loss > 40 dB Attenuation 2.1 - 50 dB Fiber Connector Type FC/PC Key Features Polarization Maintaining Variable Attenuation Dimensions 26 x 18 x 8 mm Transmission 0.001 - 61.7% Attenuation Resolution 0.15 dB Operating Temperature 0 - 70 °C Fiber Cable Length 1 m Extinction Ratio > 16 dB Storage Temperature -40 to 85 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 17.16
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 60 dB Attenuation 15 dB (±1 dB) Fiber Connector Type FC/APC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Variable Fiber Optic Attenuator	1310 nm (±20 nm) 1550 nm (±20 nm)	300 mW	SMF-28e	In stock	$ 287.49
Product Code Wavelength Range 1310 nm (±20 nm) 1550 nm (±20 nm) Maximum Optical Power 300 mW Fiber Type SMF-28e Insertion Loss < 1.5 dB Return Loss > 55 dB Attenuation 1.5 - 50 dB Fiber Connector Type No Connectors Key Features Variable Attenuation Dimensions 38 x 30 x 19 mm Transmission 0.001 - 70.8% Attenuation Resolution 0.1 dB Polarization-Dependent Loss < 0.2 dB Operating Temperature 0 - 60 °C Storage Temperature -40 to 85 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 17.16
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 50 dB Attenuation 10 dB (±0.7 dB) Fiber Connector Type FC/UPC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Variable Fiber Optic Attenuator	1310 nm (±20 nm) 1550 nm (±20 nm)	300 mW	SMF-28e	In stock	$ 338.56
Product Code Wavelength Range 1310 nm (±20 nm) 1550 nm (±20 nm) Maximum Optical Power 300 mW Fiber Type SMF-28e Insertion Loss < 1.5 dB Return Loss > 55 dB Attenuation 1.5 - 50 dB Fiber Connector Type FC/APC Key Features Variable Attenuation Dimensions 38 x 30 x 19 mm Transmission 0.001 - 70.8% Attenuation Resolution 0.1 dB Polarization-Dependent Loss < 0.2 dB Operating Temperature 0 - 60 °C Storage Temperature -40 to 85 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 20.28
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 50 dB Attenuation 3 dB (±0.5 dB) Fiber Connector Type LC/UPC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Fiber Optic Attenuator and Terminator Kit	-	-	-	In stock	$ 402.70
Product Code Fiber Connector Type FC/APC Key Features Attenuator/Terminator Kit Fixed Attenuation Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 20.28
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 50 dB Attenuation 5 dB (±0.5 dB) Fiber Connector Type LC/UPC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Fixed Fiber Optic Attenuator	1240 - 1620 nm	1 W	-	In stock	$ 31.52
Product Code Wavelength Range 1240 - 1620 nm Maximum Optical Power 1 W Return Loss > 60 dB Attenuation 3 dB (±0.5 dB) Fiber Connector Type FC/APC Key Features Fixed Attenuation Transmission 50.1% (±6.1%) Polarization-Dependent Loss < 0.1 dB Operating Temperature -40 to 85 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 17.16
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 50 dB Attenuation 5 dB (±0.5 dB) Fiber Connector Type FC/UPC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Electronic Variable Fiber Optic Attenuator	770 - 1100 nm	100 mW	780HP, PM780-HP	In stock	$ 997.44
Product Code Wavelength Range 770 - 1100 nm Maximum Optical Power 100 mW Fiber Type 780HP, PM780-HP Return Loss > 30 dB Attenuation 2 dB (Minimum) > 30 dB (Maximum) Fiber Connector Type FC/APC Key Features Electronic Optical Attenuator Variable Attenuation Dimensions Ø 15.7 x 50.1 x 500 mm (±100 mm, 0.62 x 1.97", Length Excluding Fiber Leads, Length of the Fiber Leads) Frequency Bandwidth 0 - 1 kHz Input Voltage 0 - 5 V 10 V (5 mA) Supply Voltage 0 - 5 V 10 V (5 mA, Maximum) Beat Length 2.4 mm (850 nm) Mode Field Diameter 5.3 μm (±1 μm, at 850 nm) Polarization Extinction Ratio > 14 dB Operating Temperature 0 - 40 °C Relative Humidity 5 - 85% Input Impedance High-Z Storage Temperature -20 to 70 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 21.84
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 60 dB Attenuation 5 dB (±0.5 dB) Fiber Connector Type LC/APC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Electronic Variable Fiber Optic Attenuator	970 - 1550 nm	100 mW	PM980-XP	Contact Supplier	$ 997.44
Product Code Wavelength Range 970 - 1550 nm Maximum Optical Power 100 mW Fiber Type PM980-XP Return Loss > 30 dB Attenuation 2 dB (Minimum) > 30 dB (Maximum) Fiber Connector Type FC/APC Key Features Electronic Optical Attenuator Variable Attenuation Dimensions Ø 15.7 x 50.1 x 500 mm (±100 mm, 0.62 x 1.97", Length Excluding Fiber Leads, Length of the Fiber Leads) Frequency Bandwidth 0 - 1 kHz Input Voltage 0 - 5 V 10 V (5 mA) Supply Voltage 0 - 5 V 10 V (5 mA, Maximum) Beat Length < 2.7 mm (980 nm) Mode Field Diameter 6.6 μm (±500 nm, at 980 nm) Polarization Extinction Ratio > 14 dB Operating Temperature 0 - 40 °C Relative Humidity 5 - 85% Input Impedance High-Z Storage Temperature -20 to 70 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 21.84
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 60 dB Attenuation 3 dB (±0.5 dB) Fiber Connector Type LC/APC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Electronic Variable Fiber Optic Attenuator	600 - 780 nm	100 mW	630HP	Contact Supplier	$ 562.28
Product Code Wavelength Range 600 - 780 nm Maximum Optical Power 100 mW Fiber Type 630HP Return Loss > 30 dB Attenuation 2.5 dB (Minimum) > 30 dB (Maximum) Fiber Connector Type FC/APC Key Features Electronic Optical Attenuator Variable Attenuation Dimensions Ø 15.7 x 50.1 x 500 mm (±100 mm, 0.62 x 1.97", Length Excluding Fiber Leads, Length of the Fiber Leads) Frequency Bandwidth 0 - 1 kHz Input Voltage 0 - 5 V 10 V (5 mA) Supply Voltage 0 - 5 V 10 V (5 mA, Maximum) Operating Temperature 0 - 40 °C Relative Humidity 5 - 85% Input Impedance High-Z Storage Temperature -20 to 70 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 20.28
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 60 dB Attenuation 20 dB (±1 dB) Fiber Connector Type LC/UPC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Variable Fiber Optic Attenuator	1300 - 1550 nm	2 W	-	In stock	$ 3104.00
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 2 W Return Loss 60 dB Attenuation 60 dB (Maximum) Fiber Connector Type FC/APC Key Features Variable Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Electronic Supplier Location California, USA See product details More from OptoSigma
Electronic Variable Fiber Optic Attenuator	780 - 980 nm	100 mW	780HP	In stock	$ 535.50
Product Code Wavelength Range 780 - 980 nm Maximum Optical Power 100 mW Fiber Type 780HP Return Loss > 30 dB Attenuation 2 dB (Minimum) > 30 dB (Maximum) Fiber Connector Type FC/PC Key Features Electronic Optical Attenuator Variable Attenuation Dimensions Ø 15.7 x 50.1 x 500 mm (±100 mm, 0.62 x 1.97", Length Excluding Fiber Leads, Length of the Fiber Leads) Frequency Bandwidth 0 - 1 kHz Input Voltage 0 - 5 V 10 V (5 mA) Supply Voltage 0 - 5 V 10 V (5 mA, Maximum) Operating Temperature 0 - 40 °C Relative Humidity 5 - 85% Input Impedance High-Z Storage Temperature -20 to 70 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Variable Fiber Optic Attenuator	1550 nm	2 W	-	In stock	$ 435.00
Product Code Wavelength Range 1550 nm Maximum Optical Power 2 W Return Loss 60 dB Attenuation 80 dB (Maximum) Fiber Connector Type FC/APC Key Features Variable Attenuation Core Diameter 8 μm Cladding Diameter 125 μm Center Wavelength 1550 nm Weight 100 g Attenuator Configuration Pigtail, 12-mm dia. housing Supplier Location California, USA See product details More from OptoSigma
Electronic Variable Fiber Optic Attenuator	488 - 600 nm	100 mW	460HP	In stock	$ 562.28
Product Code Wavelength Range 488 - 600 nm Maximum Optical Power 100 mW Fiber Type 460HP Return Loss > 30 dB Attenuation 2.5 dB (Minimum) > 30 dB (Maximum) Fiber Connector Type FC/APC Key Features Electronic Optical Attenuator Fixed Attenuation Variable Attenuation Dimensions Ø 15.7 x 50.1 x 500 mm (±100 mm, 0.62 x 1.97", Length Excluding Fiber Leads, Length of the Fiber Leads) Frequency Bandwidth 0 - 1 kHz Input Voltage 0 - 5 V 10 V (5 mA) Supply Voltage 0 - 5 V 10 V (5 mA, Maximum) Applications Lasers Modulation Bandwidth 0 - 1 kHz Operating Temperature 0 - 40 °C Relative Humidity 5 - 85% Input Impedance High-Z Storage Temperature -20 to 70 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Electronic Variable Fiber Optic Attenuator	1250 - 1650 nm	100 mW	SMF-28	In stock	$ 460.53
Product Code Wavelength Range 1250 - 1650 nm Maximum Optical Power 100 mW Fiber Type SMF-28 Return Loss > 30 dB Attenuation 1.5 dB (Minimum) > 25 dB (Maximum) Fiber Connector Type FC/APC Key Features Electronic Optical Attenuator Variable Attenuation Dimensions Ø 15.7 x 50.1 x 500 mm (±100 mm, 0.62 x 1.97", Length Excluding Fiber Leads, Length of the Fiber Leads) Frequency Bandwidth 0 - 1 kHz Input Voltage 0 - 5 V 10 V (5 mA) Supply Voltage 0 - 5 V 10 V (5 mA, Maximum) Operating Temperature 0 - 40 °C Relative Humidity 5 - 85% Input Impedance High-Z Storage Temperature -20 to 70 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 17.16
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 50 dB Attenuation 10 dB (±0.7 dB) Fiber Connector Type SC/UPC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 17.16
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 50 dB Attenuation 3 dB (±0.5 dB) Fiber Connector Type SC/UPC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Fixed Fiber Optic Attenuator	1240 - 1620 nm	1 W	-	In stock	$ 31.52
Product Code Wavelength Range 1240 - 1620 nm Maximum Optical Power 1 W Return Loss > 60 dB Attenuation 20 dB (±1 dB) Fiber Connector Type FC/APC Key Features Fixed Attenuation Transmission 1% (±0.3%) Polarization-Dependent Loss < 0.1 dB Operating Temperature -40 to 85 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Fiber Optic Attenuator	1300 - 1550 nm	500 mW	-	In stock	$ 17.16
Product Code Wavelength Range 1300 - 1550 nm Maximum Optical Power 500 mW Return Loss 50 dB Attenuation 20 dB (±1 dB) Fiber Connector Type FC/UPC Key Features Fixed Attenuation Core Diameter 9 μm Cladding Diameter 125 μm Center Wavelength 1300 - 1550 nm Weight 100 g Attenuator Configuration Plug Supplier Location California, USA See product details More from OptoSigma
Variable Fiber Optic Attenuator	780 nm (±20 nm)	300 mW	SM85-PS-U25A	In stock	$ 881.44
Product Code Wavelength Range 780 nm (±20 nm) Maximum Optical Power 300 mW Fiber Type SM85-PS-U25A Insertion Loss < 2.1 dB Return Loss > 40 dB Attenuation 2.1 - 50 dB Fiber Connector Type FC/APC Key Features Polarization Maintaining Variable Attenuation Dimensions 26 x 18 x 8 mm Transmission 0.001 - 61.7% Attenuation Resolution 0.15 dB Operating Temperature 0 - 70 °C Fiber Cable Length 1 m Extinction Ratio > 16 dB Storage Temperature -40 to 85 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Electronic Variable Fiber Optic Attenuator	980 - 1250 nm	100 mW	HI1060	In stock	$ 535.50
Product Code Wavelength Range 980 - 1250 nm Maximum Optical Power 100 mW Fiber Type HI1060 Return Loss > 30 dB Attenuation 2 dB (Minimum) > 30 dB (Maximum) Fiber Connector Type FC/APC Key Features Electronic Optical Attenuator Variable Attenuation Dimensions Ø 15.7 x 50.1 x 500 mm (±100 mm, 0.62 x 1.97", Length Excluding Fiber Leads, Length of the Fiber Leads) Frequency Bandwidth 0 - 1 kHz Input Voltage 0 - 5 V 10 V (5 mA) Supply Voltage 0 - 5 V 10 V (5 mA, Maximum) Operating Temperature 0 - 40 °C Relative Humidity 5 - 85% Input Impedance High-Z Storage Temperature -20 to 70 °C Supplier Location New Jersey, USA See product details More from Thorlabs