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)
Shortpass Filter	780 - 1100 nm 425 - 680 nm	> 80% (425 - 680 nm, Absolute) < 1% (780 - 1100 nm, Absolute)	110 x 160 mm	12 weeks	$ 374.00
Product Code Wavelength Range 780 - 1100 nm 425 - 680 nm Reflectance > 80% (425 - 680 nm) < 1% (780 - 1100 nm) Transmittance > 80% (425 - 680 nm, Absolute) < 1% (780 - 1100 nm, Absolute) Dimensions 110 x 160 mm Thickness 1.1 mm Angle of Incidence 0° Shape Rectangular Center Thickness 1.1 mm Weight 50 g Supplier Location Pennsylvania, USA See product details More from Excelitas
Shortpass Filter	280 - 335 nm (Transmission) 360 - 450 nm (Blocking Range)	< 1% (360 - 450 nm) > 65% (280 - 335 nm)	30 x 20 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 280 - 335 nm (Transmission) 360 - 450 nm (Blocking Range) Cut-Off Wavelength 345 nm (±7 nm) Transmission Wavelength 280 - 335 nm Coating Dielectric Transmittance < 1% (360 - 450 nm) > 65% (280 - 335 nm) Dimensions 30 x 20 mm Thickness 2 mm Blocking Wavelength Range 360 - 450 nm Angle of Incidence 0° Shape Rectangular Substrate Fused Silica Supplier Location Netherlands See product details More from PHYSIX Photonics
Shortpass Filter	1030 - 1200 nm 900 - 980 nm 900 - 1000 nm	-	Ø 25 mm	Contact Supplier	$ 673.17
Product Code Wavelength Range 1030 - 1200 nm 900 - 980 nm 900 - 1000 nm Center Wavelength 1030 - 1200 nm 900 - 1000 nm 900 - 980 nm Reflection Wavelength 900 - 1000 nm Coating BBHR (1030 - 1200 nm) BBAR (900 - 1000 nm) (Rear) Reflectance < 0.5% (22° 30', 900 - 1000 nm, Rear) > 99.9% (22° 30', 1030 - 1200 nm, Front) (s-pol) < 3% (22° 30', 900 - 980 nm, Front) (s-pol) > 99.9% (22° 30', 1030 - 1200 nm, Front) (p-pol) < 3% (22° 30', 900 - 980 nm, Front) (p-pol) Diameter 25 mm Dimensions Ø 25 mm Thickness 3.05 mm Parallelism 5' Angle of Incidence 22.5° Shape Round Substrate Fused Silica Surface Quality 10-5 scratch-dig (Output Face) 5/2x0.04; L1x0.004 (Front), 5/2x0.04; L1x0.004 (Rear) (ISO-7) Thickness Tolerance ±0.1 mm Diameter Tolerance +0.05/-0.05 mm Surface Irregularity λ/10 (546.1 nm, Rear) λ/10 (546.1 nm, Front) Coating Features Broadband Chamfer 0.2 mm (Rear) 0.2 mm (Front) Chamfer Tolerance ±0.1 mm Supplier Location Germany See product details More from LAYERTEC
Shortpass Filter	780 - 1100 nm 425 - 680 nm	> 80% (425 - 680 nm, Absolute) < 1% (780 - 1100 nm, Absolute)	Ø 25 mm	In stock	$ 39.00
Product Code Wavelength Range 780 - 1100 nm 425 - 680 nm Reflectance > 80% (425 - 680 nm) < 1% (780 - 1100 nm) Transmittance > 80% (425 - 680 nm, Absolute) < 1% (780 - 1100 nm, Absolute) Diameter 25 mm Dimensions Ø 25 mm Thickness 1.1 mm Angle of Incidence 0° Shape Round Center Thickness 1.1 mm Weight 3 g Supplier Location Pennsylvania, USA See product details More from Excelitas
Shortpass Filter	725 - 875 nm 500 - 545 nm	-	Ø 12.7 mm (0.5")	In stock	$ 189.87
Product Code Wavelength Range 725 - 875 nm 500 - 545 nm Center Wavelength 500 - 545 nm 725 - 875 nm Reflection Wavelength 500 - 545 nm Coating BBHR (725 - 875 nm) BBAR (500 - 545 nm) (Rear) Reflectance < 0.2% (500 - 545 nm, 0 - 10°, Rear) > 99.9% (725 - 875 nm, 0 - 10°, Front) (s-pol) < 2% (500 - 545 nm, 0 - 10°, Front) (s-pol) > 99.9% (725 - 875 nm, 0 - 10°, Front) (p-pol) < 2% (500 - 545 nm, 0 - 10°, Front) (p-pol) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 6.35 mm (0.25") Edge Thickness 6.35 mm (0.25") Parallelism 5' Angle of Incidence 0 - 10° Shape Round Substrate Fused Silica Surface Quality 10-5 scratch-dig (Output Face) 5/1x0.04; L1x0.004 (Front), 5/1x0.04; L1x0.004 (Rear) (ISO-7) Thickness Tolerance ±0.1 mm Diameter Tolerance +0.05/-0.05 mm Surface Irregularity λ/10 (546.1 nm, Rear) λ/10 (546.1 nm, Front) Coating Features Broadband Laser Type Ti:Sa Radius of Curvature 50 mm Type of Curvature Plano-Concave Group Delay Dispersion 0 fs² (725 - 875 nm, p-pol) Center Thickness 6.35 mm (0.25") Chamfer 0.3 mm (Rear) 0.3 mm (Front) Chamfer Tolerance ±0.1 mm Supplier Location Germany See product details More from LAYERTEC
Shortpass Filter	780 - 1100 nm 425 - 680 nm	> 80% (425 - 680 nm, Absolute) < 1% (780 - 1100 nm, Absolute)	Ø 50 mm	6 weeks	$ 78.00
Product Code Wavelength Range 780 - 1100 nm 425 - 680 nm Reflectance > 80% (425 - 680 nm) < 1% (780 - 1100 nm) Transmittance > 80% (425 - 680 nm, Absolute) < 1% (780 - 1100 nm, Absolute) Diameter 50 mm Dimensions Ø 50 mm Thickness 1.1 mm Angle of Incidence 0° Shape Round Center Thickness 1.1 mm Weight 10 g Supplier Location Pennsylvania, USA See product details More from Excelitas
Shortpass Filter	420 - 680 nm (Transmission) 300 - 750 nm (Blocking Range)	< 1% (750 - 1100 nm, Average) > 85% (420 - 680 nm)	Ø 25 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 420 - 680 nm (Transmission) 300 - 750 nm (Blocking Range) Cut-Off Wavelength 705 nm (±10 nm) Transmission Wavelength 420 - 680 nm Coating Dielectric Transmittance < 1% (750 - 1100 nm, Average) > 85% (420 - 680 nm) Diameter 25 mm Dimensions Ø 25 mm Thickness 1.75 mm Blocking Wavelength Range 750 - 1100 nm Angle of Incidence 0° Shape Round Substrate Borofloat Supplier Location Netherlands See product details More from PHYSIX Photonics
Shortpass Filter	780 - 1100 nm 425 - 680 nm	> 80% (425 - 680 nm, Absolute) < 1% (780 - 1100 nm, Absolute)	50 x 50 mm	6 weeks	$ 77.00
Product Code Wavelength Range 780 - 1100 nm 425 - 680 nm Reflectance > 80% (425 - 680 nm) < 1% (780 - 1100 nm) Transmittance > 80% (425 - 680 nm, Absolute) < 1% (780 - 1100 nm, Absolute) Dimensions 50 x 50 mm Thickness 1.1 mm Angle of Incidence 0° Shape Square Center Thickness 1.1 mm Weight 10 g Supplier Location Pennsylvania, USA See product details More from Excelitas
Shortpass Filter	1064 nm (Front, Center Wavelength) 808 nm (Front, Center Wavelength) 808 nm (Rear, Center Wavelength)	-	Ø 25 mm	In stock	$ 291.28
Product Code Wavelength Range 1064 nm (Front, Center Wavelength) 808 nm (Front, Center Wavelength) 808 nm (Rear, Center Wavelength) Center Wavelength 1064 nm (Front) 808 nm (Front) 808 nm (Rear) Reflection Wavelength 808 nm, 1064 nm Coating AR/Transmissive V-Coating (808 nm) Reflective V-Coating (1064 nm) AR/Transmissive V-Coating (808 nm) (Rear) Coating Method Electron Beam Evaporation (Front) Electron Beam Evaporation (Rear) Reflectance < 5% (45°, 808 nm, Front) > 99.5% (45°, 1064 nm, Front) < 0.6% (45°, 808 nm, Rear) Diameter 25 mm Dimensions Ø 25 mm Thickness 6.35 mm (0.25") Parallelism < 5' Angle of Incidence 45° Shape Round Substrate UV Fused Silica Surface Quality 10-5 scratch-dig 5/3x0.025 (ISO-7) Diameter Tolerance +0/-0.1 mm Surface Irregularity λ/10 (546 nm, Flatness) Coating Features High Power, Multi Wavelength, Narrowband Supplier Location Germany See product details More from LASEROPTIK
Shortpass Filter	1000 - 1700 nm (Operating Wavelength)	> 95% (Average)	-	Contact Supplier	$ 1975.36
Product Code Wavelength Range 1000 - 1700 nm (Operating Wavelength) Coating Hard Coating Transmittance > 95% (Average) Thickness 2 mm (0.08") Parallelism < 3' Surface Quality 60-40 scratch-dig Clear Aperture 58.4 x 13.5 mm (2.3 x 0.53") Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Filter	770 - 940 nm 490 - 550 nm	-	Ø 12.7 mm (0.5")	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 770 - 940 nm 490 - 550 nm Center Wavelength 490 - 550 nm 770 - 940 nm Reflection Wavelength 770 - 940 nm 490 - 550 nm Coating BBHR (770 - 940 nm) BBAR (490 - 550 nm) (Rear) Reflectance > 99.9% (0°, 770 - 940 nm, Front) < 5% (0°, 490 - 550 nm, Front) < 0.25% (0°, 490 - 550 nm, Rear) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 6.35 mm (0.25") Edge Thickness 6.35 mm (0.25") Parallelism 5' Angle of Incidence 0° Shape Round Substrate Fused Silica Surface Quality 10-5 scratch-dig (Output Face) 5/1x0.025; L1x0.004 (Front), 5/1x0.025; L1x0.004 (Rear) (ISO-7) Thickness Tolerance ±0.1 mm Diameter Tolerance +0.05/-0.05 mm Surface Irregularity λ/10 (546.1 nm, Rear) λ/10 (546.1 nm, Front) Coating Features Broadband Laser Type Nd:YAG, Ti:Sa Radius of Curvature 75 mm Type of Curvature Plano-Concave Applications Pump Mirror Group Delay Dispersion 0 fs² (770 - 940 nm) Center Thickness 6.35 mm (0.25") Chamfer 0.3 mm (Rear) 0.3 mm (Front) Chamfer Tolerance ±0.1 mm Supplier Location Germany See product details More from LAYERTEC
Shortpass Filter	780 - 1100 nm 425 - 680 nm	> 80% (425 - 680 nm, Absolute) < 1% (780 - 1100 nm, Absolute)	Ø 31.5 mm	6 weeks	$ 50.00
Product Code Wavelength Range 780 - 1100 nm 425 - 680 nm Reflectance > 80% (425 - 680 nm) < 1% (780 - 1100 nm) Transmittance > 80% (425 - 680 nm, Absolute) < 1% (780 - 1100 nm, Absolute) Diameter 31.5 mm Dimensions Ø 31.5 mm Thickness 1.1 mm Angle of Incidence 0° Shape Round Center Thickness 1.1 mm Weight 4 g Supplier Location Pennsylvania, USA See product details More from Excelitas
Shortpass Filter	780 - 1100 nm 425 - 680 nm	> 80% (425 - 680 nm, Absolute) < 1% (780 - 1100 nm, Absolute)	25 x 25 mm	6 weeks	$ 33.00
Product Code Wavelength Range 780 - 1100 nm 425 - 680 nm Reflectance > 80% (425 - 680 nm) < 1% (780 - 1100 nm) Transmittance > 80% (425 - 680 nm, Absolute) < 1% (780 - 1100 nm, Absolute) Dimensions 25 x 25 mm Thickness 1.1 mm Angle of Incidence 0° Shape Square Center Thickness 1.1 mm Weight 3 g Supplier Location Pennsylvania, USA See product details More from Excelitas
Shortpass Filter	520 - 1300 nm	> 85% (520 - 960 nm, Average Polarization) > 80% (p-pol) > 80% (s-pol)	Ø 12.5 mm	In stock	$ 136.00
Product Code Wavelength Range 520 - 1300 nm Cut-Off Wavelength 1000 nm (±20 nm) Reflection Wavelength 1050 - 1300 nm Transmission Wavelength 520 - 960 nm Coating Hard Coating Reflectance > 97% (1050 - 1300 nm, Average Polarization) > 95% (s-pol) > 95% (p-pol) Transmittance > 85% (520 - 960 nm, Average Polarization) > 80% (p-pol) > 80% (s-pol) Diameter 12.5 mm Dimensions Ø 12.5 mm Thickness 1.05 mm Angle of Incidence 45° Shape Round Substrate Fused Silica Surface Quality 60-40 scratch-dig Thickness Tolerance ±0.1 mm Supplier Location New Jersey, USA See product details More from Edmund Optics
Shortpass Filter	1064 nm, 808 nm	-	Ø 12.7 mm (0.5")	Contact Supplier	$ 203.89
Product Code Wavelength Range 1064 nm, 808 nm Center Wavelength 1064 nm, 808 nm Reflection Wavelength 1064 nm, 808 nm Coating Reflective V-Coating (1064 nm) AR/Transmissive V-Coating (808 nm) (Rear) Reflectance > 99.9% (0°, 1064 nm, Front) < 3% (0°, 808 nm, Front) < 0.2% (0°, 808 nm, Rear) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3 mm Edge Thickness 3 mm Angle of Incidence 0° Shape Round Substrate Fused Silica Surface Quality 10-5 scratch-dig (Output Face) 5/1x0.025; L1x0.004 (Front), 5/1x0.025; L1x0.004 (Rear) (ISO-7) Thickness Tolerance ±0.1 mm Diameter Tolerance +0.05/-0.05 mm Surface Irregularity λ/10 (546.1 nm, Rear) λ/10 (546.1 nm, Front) Coating Features Multi Wavelength Narrowband Laser Type Nd:YAG Radius of Curvature 2500 mm Type of Curvature Plano-Concave Chamfer 0.2 mm (Rear) 0.2 mm (Front) Chamfer Tolerance ±0.1 mm Supplier Location Germany See product details More from LAYERTEC
Shortpass Filter	-	85%	Ø 25 mm	1 weeks	$ 121.00
Product Code Cut-Off Wavelength 900 nm (±10 nm) Transmittance 85% Diameter 25 mm Dimensions Ø 25 mm Thickness 1 mm Angle of Incidence 0° Shape Round Substrate Green Glass Surface Quality 80-50 scratch-dig Surface Irregularity 3 - 5λ (over 25mm, Flatness) Clear Aperture 23.75 mm Applications Fluorescence Imaging Operating Temperature -50 to 100 °C Refractive Index ~ 1.7 Supplier Location New Hampshire, USA See product details More from Andover
Shortpass Filter	980 - 1590 nm 690 - 930 nm 680 - 950 nm	-	Ø 25 mm	In stock	$ 621.39
Product Code Wavelength Range 980 - 1590 nm 690 - 930 nm 680 - 950 nm Center Wavelength 680 - 950 nm 690 - 930 nm 980 - 1590 nm Reflection Wavelength 980 - 1590 nm 690 - 930 nm 680 - 950 nm Coating BBHR (980 - 1590 nm) BBAR (680 - 950 nm) (Rear) Reflectance > 99.7% (0°, 980 - 1590 nm, Front) < 12% (0°, 690 - 930 nm, Front) < 0.25% (0°, 680 - 950 nm, Rear) Diameter 25 mm Dimensions Ø 25 mm Thickness 6.35 mm (0.25") Parallelism 5' Angle of Incidence 0° Shape Round Substrate Fused Silica Surface Quality 10-5 scratch-dig (Output Face) 5/2x0.04; L1x0.004 (Front), 5/2x0.04; L1x0.004 (Rear) (ISO-7) Thickness Tolerance ±0.1 mm Diameter Tolerance +0.05/-0.05 mm Surface Irregularity λ/10 (546.1 nm, Rear) λ/10 (546.1 nm, Front) Coating Features Broadband Group Delay Dispersion -350 fs² (980 - 1590 nm) Chamfer 0.3 mm (Rear) 0.3 mm (Front) Chamfer Tolerance ±0.1 mm Supplier Location Germany See product details More from LAYERTEC
Shortpass Filter	846 nm, 423 nm	-	Ø 12.7 mm (0.5")	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 846 nm, 423 nm Center Wavelength 423 nm, 846 nm Reflection Wavelength 846 nm, 423 nm Coating Reflective V-Coating (846 nm) AR/Transmissive V-Coating (423 nm) (Rear) Reflectance > 99.9% (0°, 846 nm, Front) < 5% (0°, 423 nm, Front) < 0.25% (0°, 423 nm, Rear) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 6.35 mm (0.25") Edge Thickness 6.35 mm (0.25") Parallelism 5' Angle of Incidence 0° Shape Round Substrate Fused Silica Surface Quality 10-5 scratch-dig (Output Face) 5/1x0.025; L1x0.004 (Front), 5/1x0.025; L1x0.004 (Rear) (ISO-7) Thickness Tolerance ±0.1 mm Diameter Tolerance +0.05/-0.05 mm Surface Irregularity λ/10 (546.1 nm, Rear) λ/4 (546.1 nm, Front) Coating Features Multi Wavelength Narrowband Radius of Curvature 100 mm Type of Curvature Plano-Concave Chamfer 0.3 mm (Rear) 0.3 mm (Front) Supplier Location Germany See product details More from LAYERTEC
Shortpass Filter	420 - 680 nm (Transmission) 750 - 1100 nm (Blocking Range)	< 1% (750 - 1100 nm, Average) > 85% (420 - 680 nm)	Ø 25 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 420 - 680 nm (Transmission) 750 - 1100 nm (Blocking Range) Cut-Off Wavelength 705 nm (±10 nm) Transmission Wavelength 420 - 680 nm Coating Dielectric Transmittance < 1% (750 - 1100 nm, Average) > 85% (420 - 680 nm) Diameter 25 mm Dimensions Ø 25 mm Thickness 2 mm Blocking Wavelength Range 750 - 1100 nm Angle of Incidence 0° Shape Round Substrate Borofloat Supplier Location Netherlands See product details More from PHYSIX Photonics
Shortpass Filter	1064 nm, 532 nm	-	Ø 12.7 mm (0.5")	Contact Supplier	$ 167.21
Product Code Wavelength Range 1064 nm, 532 nm Center Wavelength 1064 nm, 532 nm Reflection Wavelength 1064 nm, 532 nm Coating Reflective V-Coating (1064 nm) AR/Transmissive V-Coating (532 nm) (Rear) Reflectance > 99.9% (0°, 1064 nm, Front) < 5% (0°, 532 nm, Front) < 0.2% (0°, 532 nm, Rear) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 2.3 mm Parallelism 5' Angle of Incidence 0° Shape Round Substrate Fused Silica Surface Quality 10-5 scratch-dig (Output Face) 5/1x0.025; L1x0.004 (Front), 5/1x0.025; L1x0.004 (Rear) (ISO-7) Thickness Tolerance ±0.1 mm Diameter Tolerance +0.05/-0.05 mm Surface Irregularity λ/10 (546.1 nm, Rear) λ/10 (546.1 nm, Front) Coating Features Multi Wavelength Narrowband Laser Type Nd:YAG Chamfer 0.2 mm (Rear) 0.2 mm (Front) Chamfer Tolerance ±0.1 mm Supplier Location Germany See product details More from LAYERTEC