Dielectric Filters

Optical filters designed with dielectric thin-film coatings to restrict transmission and/or reflection to specific wavelength ranges with high contrast. Learn More

Product	Wavelength Range	Transmittance	Dimensions	Availability	Price (USD)
Bandpass Filter	750 - 770 nm	> 95% (750 - 770 nm, Peak)	Ø 12.7 mm (0.5")	1 weeks	$ 200.00
Product Code Wavelength Range 750 - 770 nm Center Wavelength 760 nm Transmittance > 95% (750 - 770 nm, Peak) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 6 mm Blocking Wavelength Range 200 - 1100 nm Bandwidth (FWHM) 20 nm (±3 nm) Shape Round Substrate UV Fused Silica Optical Density > 5 Supplier Location New Jersey, USA See product details More from Avantier Inc.
Bandpass Filter	955 - 965 nm	50% (955 - 965 nm, Peak)	Ø 12.5 mm	Contact Supplier	$ 93.83
Product Code Wavelength Range 955 - 965 nm Center Wavelength 960 nm Transmittance 50% (955 - 965 nm, Peak) Diameter 12.5 mm Dimensions Ø 12.5 mm Thickness 6.1 mm Blocking Wavelength Range 200 - 1150 nm (5 OD) Bandwidth (FWHM) 10 nm Shape Round Blocking 5 OD (200 - 1150 nm) Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Bandpass Filter	361 - 391 nm	94.0421% (361 - 391 nm)	Ø 25 mm	In stock	$ 365.00
Product Code Wavelength Range 361 - 391 nm Center Wavelength 376 nm Transmission Wavelength 361 - 391 nm Transmittance 94.0421% (361 - 391 nm) Diameter 25 mm Dimensions Ø 25 mm Bandwidth (FWHM) 30 nm Shape Round Applications Fluorescence Blocking 5.9 OD (300.5 - 359 nm) 6 OD (398 - 1000.5 nm) Mount Non-Threaded Mount, 25 mm Supplier Location Vermont, USA Selected Product Option 25mmR R=Mounted in Ring See product details More from Chroma
Bandpass Filter	8750 - 9250 nm	> 70% (8750 - 9250 nm)	Ø 25.4 mm (1")	In stock	$ 605.84
Product Code Wavelength Range 8750 - 9250 nm Center Wavelength 9000 nm (±50 nm) Transmittance > 70% (8750 - 9250 nm) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 6.1 mm Blocking Wavelength Range 200 - 16000 nm Bandwidth (FWHM) 500 nm (±100 nm) Shape Round Mount Non-Threaded Mount, 25.4 mm Clear Aperture Ø 21 mm Substrate Silicon Operating Temperature -40 to 80 °C Supplier Location New Jersey, USA See product details More from Thorlabs
Bandpass Filter	395.8 - 396.2 nm	> 70% (396 nm, Absolute)	Ø 25 mm	In stock	$ 3826.00
Product Code Wavelength Range 395.8 - 396.2 nm Center Wavelength 396 nm Transmittance > 70% (396 nm, Absolute) Diameter 25 mm Dimensions Ø 25 mm Thickness 2 mm 3.5 mm (Assembly) Blocking Wavelength Range 353 - 389 nm (12 OD) 403 - 443 nm 485 - 540 nm 300 - 353 nm (5 OD) 443 - 485 nm (5 OD) 540 - 1100 nm (5 OD) Bandwidth (FWHM) < 0.4 nm Shape Round Blocking 5 OD (300 - 353 nm, 443 - 485 nm, 540 - 1100 nm) Mount Ring Mount, Anodized Aluminum Ring Substrate Fused Silica Angle of Incidence 0° Supplier Location California, USA See product details More from Alluxa
Bandpass Filter	805 - 815 nm	80% (805 - 815 nm)	Ø 12.5 mm	1 weeks	$ 81.00
Product Code Wavelength Range 805 - 815 nm Center Wavelength 810 nm (+3/-1 nm) Transmittance 80% (805 - 815 nm) Diameter 12.5 mm Dimensions Ø 12.5 mm Thickness 5.9 mm Blocking Wavelength Range 10 nm 10 - 1200 nm Bandwidth (FWHM) 10 nm (±0m) Shape Round Applications Colorimetry Fluorescence Blocking 4 OD (0.1 - 1200 nm) Mount Ring Mount, Anodized Aluminum Ring Clear Aperture Ø 9 mm (Minimum) Surface Quality 80-50 scratch-dig Diameter Tolerance +0/-0.25 mm Operating Temperature 23 °C Quality Commercial instrumentation grade Supplier Location New Hampshire, USA See product details More from Andover
Bandpass Filter	634 - 646 nm	> 60% (634 - 646 nm)	50 x 50 mm	Contact Supplier	$ 788.00
Product Code Wavelength Range 634 - 646 nm Center Wavelength 640 nm (±2 nm) Coating Dielectric Transmittance > 60% (634 - 646 nm) Dimensions 50 x 50 mm Bandwidth (FWHM) 12 nm (±2 nm) Shape Square Weight 38 g Supplier Location California, USA See product details More from OptoSigma
Bandpass Filter	3530 - 3670 nm	-	-	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 3530 - 3670 nm Center Wavelength 3600 nm Bandwidth (FWHM) 140 nm Supplier Location Vermont, USA See product details More from omega optical
Bandpass Filter	4215 - 4285 nm	65% (Minimum, Peak)	Ø 12.5 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 4215 - 4285 nm Center Wavelength 4250 nm Transmittance 65% (Minimum, Peak) Diameter 12.5 mm 25.4 mm (1") Dimensions Ø 12.5 mm Thickness 1 mm Blocking Wavelength Range 2000 - 10000 nm Bandwidth (FWHM) 70 nm Shape Round, Square Applications Gas Leak Detection Gas Sensing Supplier Location Spain See product details More from Mapsi
Bandpass Filter	550 nm (Center Wavelength)	98.5594% (550 nm)	Ø 31 mm	In stock	$ 150.00
Product Code Wavelength Range 550 nm (Center Wavelength) Center Wavelength 550 nm Transmission Wavelength 550 nm Transmittance 98.5594% (550 nm) Diameter 31 mm Dimensions Ø 31 mm Shape Round Applications Astronomy Blocking 5.4 OD (301 - 416 nm) 5.5 OD (707 - 1104 nm) Mount Unmounted Supplier Location Vermont, USA Selected Product Option Unmounted 31mm diameter See product details More from Chroma
Bandpass Filter	995 - 1005 nm	> 90% (995 - 1005 nm, Peak)	> Ø 25.4 mm (1")	1 weeks	$ 230.00
Product Code Wavelength Range 995 - 1005 nm Center Wavelength 1000 nm Transmittance > 90% (995 - 1005 nm, Peak) Diameter > 25.4 mm (1") Dimensions > Ø 25.4 mm (1") Thickness 6 mm Blocking Wavelength Range 200 - 1200 nm Bandwidth (FWHM) 10 nm (±2 nm) Substrate UV Fused Silica Optical Density > 5 Supplier Location New Jersey, USA See product details More from Avantier Inc.
Bandpass Filter	632.3 - 633.3 nm	> 90% (632.8 nm, Center Wavelength)	Ø 12.5 mm	In stock	$ 753.25
Product Code Wavelength Range 632.3 - 633.3 nm Center Wavelength 632.8 nm (90%, Transmission) Coating Hard Coating Transmittance > 90% (632.8 nm, Center Wavelength) Diameter 12.5 mm (Outer) Dimensions Ø 12.5 mm Thickness 3.5 mm (Mount) Blocking Wavelength Range 200 - 620 nm 646 - 1200 nm (5 OD) Bandwidth (FWHM) 1 nm Shape Round Mount Non-Threaded Mount, 12.5 mm Clear Aperture Ø 10 mm, Ø 12.5 mm, 21.1 mm, 25 mm Surface Quality 60-40 scratch-dig Substrate UV Fused Silica Angle of Incidence 0° Optical Density > 5 (646 - 1200 nm) Operating Temperature -40 to 90 °C Damage Threshold Pulsed 2 J/cm² (1.02 mm, 10 ns, 10 Hz, 1064 nm) Supplier Location New Jersey, USA See product details More from Thorlabs
Bandpass Filter	480 - 520 nm	> 50% (480 - 520 nm)	Ø 25 mm	6 - 12 weeks	$ 190.00
Product Code Wavelength Range 480 - 520 nm Center Wavelength 500 nm (+10/-0 nm) Coating Dielectric Transmittance > 50% (480 - 520 nm) Diameter 25 mm Dimensions Ø 25 mm Thickness < 7 mm Blocking Wavelength Range 1 - 3000 nm (0.01%) Bandwidth (FWHM) 40 nm (±8 nm) Shape Round Blocking < 4.0 OD (1 - 3000 nm) Surface Quality 80-50 scratch-dig Angle of Incidence 0° Weight 9 g Supplier Location California, USA See product details More from OptoSigma
Bandpass Filter	512.85 - 515.15 nm	> 90% (514 nm, Absolute)	Ø 25 mm	In stock	$ 844.00
Product Code Wavelength Range 512.85 - 515.15 nm Center Wavelength 514 nm Transmittance > 90% (514 nm, Absolute) Diameter 25 mm Dimensions Ø 25 mm Thickness 2 mm 3.5 mm (Assembly) Blocking Wavelength Range 200 - 507 nm (4 OD) 521 - 1200 nm (4 OD) Bandwidth (FWHM) < 2.3 nm Shape Round Blocking 4 OD (200 - 507 nm, 521 - 1200 nm) Mount Ring Mount, Anodized Aluminum Ring Substrate Fused Silica Angle of Incidence 0° Supplier Location California, USA See product details More from Alluxa
Bandpass Filter	6290 - 6410 nm	60% (Minimum, Peak)	Ø 12.5 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 6290 - 6410 nm Center Wavelength 6350 nm Transmittance 60% (Minimum, Peak) Diameter 12.5 mm 25.4 mm (1") Dimensions Ø 12.5 mm Thickness 1 mm Blocking Wavelength Range 2000 - 10000 nm Bandwidth (FWHM) 120 nm Shape Round, Square Applications Gas Leak Detection Gas Sensing Supplier Location Spain See product details More from Mapsi
Bandpass Filter	1214.5 - 1225.5 nm	45% (1214.5 - 1225.5 nm, Peak)	Ø 12.5 mm	Contact Supplier	$ 107.73
Product Code Wavelength Range 1214.5 - 1225.5 nm Center Wavelength 1220 nm Transmittance 45% (1214.5 - 1225.5 nm, Peak) Diameter 12.5 mm Dimensions Ø 12.5 mm Thickness 6.1 mm Blocking Wavelength Range 200 - 1850 nm (5 OD) Bandwidth (FWHM) 11 nm Shape Round Blocking 5 OD (200 - 1850 nm) Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Bandpass Filter	3255 - 3405 nm	> 75% (3255 - 3405 nm, Peak)	Ø 25 mm	In stock	$ 386.83
Product Code Wavelength Range 3255 - 3405 nm Center Wavelength 3330 nm (±15 nm) Transmittance > 75% (3255 - 3405 nm, Peak) Diameter 25 mm Dimensions Ø 25 mm Thickness 0.5 mm Blocking Wavelength Range 300 - 20000 nm Bandwidth (FWHM) 150 nm (±15 nm) Shape Round Surface Quality 60-40 scratch-dig Angle of Incidence 0° Optical Density 0.1249 Supplier Location United Kingdom See product details More from Vortex
Bandpass Filter	360 - 370 nm	> 85% (Minimum)	Ø 25 mm	In stock	$ 274.00
Product Code Wavelength Range 360 - 370 nm Center Wavelength 365 nm (±2 nm) Coating Hard Coating Transmittance > 85% (Minimum) Diameter 25 mm Dimensions Ø 25 mm Thickness 5 mm (Mount) 3.5 mm (Substrate) Blocking Wavelength Range 200 - 1200 nm Bandwidth (FWHM) 10 nm (±2 nm) Shape Round Clear Aperture 21 mm Surface Quality 80-50 scratch-dig Substrate Optical Glass (N/S) Diameter Tolerance +0/-0.1 mm Angle of Incidence 0° Optical Density > 4 (Average) Thickness Tolerance ±0.5 mm Supplier Location New Jersey, USA See product details More from Edmund Optics
Bandpass Filter	463 - 487 nm	> 95% (465 - 485 nm, Average)	Ø 25 mm	In stock	$ 487.00
Product Code Wavelength Range 463 - 487 nm Center Wavelength 475 nm (±1.5 nm) Transmittance > 95% (465 - 485 nm, Average) Diameter 25 mm Dimensions Ø 25 mm Thickness 2 mm 3.5 mm (Assembly) Parallelism < 3'' Blocking Wavelength Range 300 - 453 nm (6 OD) 497 - 700 nm (6 OD) Bandwidth (FWHM) 24 nm Shape Round Blocking 6 OD (300 - 453 nm, 497 - 700 nm) Mount Ring Mount, Anodized Aluminum Ring Substrate Fused Silica Compatible Fluorophore FITC Supplier Location California, USA See product details More from Alluxa
Bandpass Filter	268 - 282 nm	> 15% (268 - 282 nm, Peak)	Ø 25.4 mm (1")	1 weeks	$ 115.00
Product Code Wavelength Range 268 - 282 nm Center Wavelength 275 nm Transmittance > 15% (268 - 282 nm, Peak) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Bandwidth (FWHM) 14 nm (±2 nm) Shape Round Optical Density > 200 - 1200 (3 OD) Supplier Location New Jersey, USA See product details More from Avantier Inc.