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)
Dichroic Filter	553 nm 561 nm 532 nm (Front)	-	19 x 25 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 553 nm 561 nm 532 nm (Front) Cut-Off Wavelength 545 nm Reflectance > 90% (553 nm, 561 nm) > 95% (553 nm, 561 nm) < 1% (532 nm, Front) Dimensions 19 x 25 mm Thickness 3 mm Parallelism < 30'' Angle of Incidence 45° 0.3° (Half-Cone) Shape Rectangular Clear Aperture > 21 mm Length 25 mm Width 19 mm (+0/-0.2) Transmitted Wavefront Error < λ/2 (580 nm) Supplier Location Vermont, USA See product details More from omega optical
Dichroic Filter	430 - 490 nm	-	12 x 13.5 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 430 - 490 nm Cut-On Wavelength 505 nm Reflectance > 90% (430 - 490 nm) Dimensions 12 x 13.5 mm Thickness 1 mm Angle of Incidence 45° Shape Rectangular Length 13.5 mm Width 12 mm (+0/-0.25) Supplier Location Vermont, USA See product details More from omega optical
Dichroic Filter	-	-	31.9 x 43.9 mm	Contact Supplier	Add to cart to request quote
Product Code Cut-On Wavelength 660 nm Reflectance > 90% (Average) Dimensions 31.9 x 43.9 mm Thickness 1.1 mm Parallelism < 15'' Angle of Incidence 45° (Half-Cone) Shape Rectangular Clear Aperture > 43 mm Length 43.9 mm Width 31.9 mm (+0/-0.2) Transmitted Wavefront Error λ/4 (80%, RMS) Supplier Location Vermont, USA See product details More from omega optical
Dichroic Filter	-	-	36 x 25.7 mm	Contact Supplier	Add to cart to request quote
Product Code Reflectance < 90% (380 - 400 nm, 510 nm, 630 nm) Dimensions 36 x 25.7 mm Thickness 1 mm Parallelism < 15'' Angle of Incidence 45° (Half-Cone) Shape Rectangular Length 25.7 mm Width 36 mm (+0/-0.25) Transmitted Wavefront Error λ/4 (80%, RMS) Supplier Location Vermont, USA See product details More from omega optical
Dichroic Filter	-	-	3 x 30 mm	Contact Supplier	Add to cart to request quote
Product Code Reflectance 70% (650 - 750 nm) Dimensions 3 x 30 mm Thickness 1 mm Angle of Incidence 45° 3° (Half-Cone) Clear Aperture > 27 mm Length 30 mm Width 3 mm (±0.1) Transmitted Wavefront Error < 5λ Reflectance Tolerance ±5% Supplier Location Vermont, USA See product details More from omega optical
Dichroic Filter	-	-	12 x 18 mm	Contact Supplier	Add to cart to request quote
Product Code Dimensions 12 x 18 mm Thickness 1 mm Angle of Incidence 0 - 15° Shape Rectangular Substrate UG1 Length 18 mm Width 12 mm (+0/-0.3) Surface Irregularity < 3λ (633 nm, Flatness) Supplier Location Vermont, USA See product details More from omega optical
Dichroic Filter	631 - 650 nm	-	Ø 25 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 631 - 650 nm Cut-Off Wavelength 523 nm Reflectance > 50% (525") > 80% (530 - 630") > 70% (631 - 650 nm) Diameter 25 mm Dimensions Ø 25 mm Thickness 1.5 mm Angle of Incidence 45° (Half-Cone) Shape Round Surface Irregularity λ/4 (Flatness) Supplier Location Vermont, USA See product details More from omega optical
Dichroic Filter	-	-	Ø 28 mm	Contact Supplier	Add to cart to request quote
Product Code Diameter 28 mm Dimensions Ø 28 mm Thickness 1.5 mm Parallelism < 30'' Shape Round Transmitted Wavefront Error < λ/4 (633 nm, RMS) Supplier Location Vermont, USA See product details More from omega optical
Dichroic Filter	-	> 90% (595 - 800 nm, Absolute)	-	2 weeks	$ 260.15
Product Code Reflectance > 90% (533 - 580 nm, Average) < 2% (400 - 800 nm, Absolute) Transmittance > 90% (595 - 800 nm, Absolute) Thickness 1 mm Surface Quality 60-40 scratch-dig Substrate Fused Silica Thickness Tolerance ±0.1 mm Applications Fluorescence Microscopy Mount Unmounted Compatible Fluorophore Cy3.5, Texas Red® Supplier Location New Jersey, USA See product details More from Thorlabs
Cold Mirror	-	85% (750 - 1200 nm, Minimum)	-	Contact Supplier	Add to cart to request quote
Product Code Coating Dielectric Reflectance 90% (420 - 630 nm) Transmittance 85% (750 - 1200 nm, Minimum) Thickness 1 mm Parallelism < 3' Angle of Incidence 45° Surface Quality 60-40 scratch-dig Thickness Tolerance +0.25/-0 mm Supplier Location Vermont, USA See product details More from omega optical
Bandpass Filter	-	-	-	Contact Supplier	Add to cart to request quote
Product Code Supplier Location Vermont, USA See product details More from omega optical
Dichroic Filter	395 - 470 nm 580 - 610 nm	-	25 x 40 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 395 - 470 nm 580 - 610 nm Reflectance > 95% (395 - 470 nm) > 90% (580 - 610 nm, Average) Dimensions 25 x 40 mm Thickness 1 mm Angle of Incidence 50° (Half-Cone) Shape Rectangular Clear Aperture > 38 mm Length 40 mm Width 25 mm (+0/-0.2) Blocking > 5 OD (370 - 455 nm) Supplier Location Vermont, USA See product details More from omega optical
Dichroic Filter	450 - 670 nm	-	39 x 53 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 450 - 670 nm Cut-On Wavelength 690 nm Reflectance > 95%, 80% (450 - 670 nm, Average) Dimensions 39 x 53 mm Thickness 2 mm Angle of Incidence 45° Shape Rectangular Length 53 mm Width 39 mm (+0/-0.5) Blocking > 5 OD (210 s, 450 - 670 nm) Supplier Location Vermont, USA See product details More from omega optical
Dichroic Filter	420 - 611 nm 599 - 611 nm	-	Ø 15.9 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 420 - 611 nm 599 - 611 nm Cut-On Wavelength 630 nm Reflectance > 95% (420 - 611 nm, Average) > 80% (599 - 611 nm, Average) Diameter 15.9 mm Dimensions Ø 15.9 mm Thickness 3.2 mm Angle of Incidence 11.25° Shape Round Supplier Location Vermont, USA See product details More from omega optical
Dichroic Filter	400 - 700 nm	> 85% (400 - 560 nm)	50 x 50 mm	2 weeks	$ 260.00
Product Code Wavelength Range 400 - 700 nm Transmission Wavelength 400 - 560 nm Transmittance > 85% (400 - 560 nm) Dimensions 50 x 50 mm Angle of Incidence 0° Shape Square Surface Quality 60-40 scratch-dig Substrate B 270 Weight 7 g Supplier Location California, USA See product details More from OptoSigma
Bandpass Filter	-	-	-	Contact Supplier	Add to cart to request quote
Product Code Manufacturer ZEISS Supplier Location Vermont, USA See product details More from omega optical
Dichroic Filter	480 - 545 nm	-	Ø 15.9 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 480 - 545 nm Cut-On Wavelength 555 nm Reflectance > 95% (480 - 545 nm, Average) Diameter 15.9 mm Dimensions Ø 15.9 mm Thickness 3.2 mm Angle of Incidence 11.25° (Half-Cone) Shape Round Supplier Location Vermont, USA See product details More from omega optical
Color Correction Filter	-	-	50 x 50 x 1.1 mm	Contact Supplier	$ 52.75
Product Code Dimensions 50 x 50 x 1.1 mm Thickness 1.1 mm Shape Square Surface Quality 60-40 scratch-dig Clear Aperture 45 x 45 x 0.99 mm Substrate Borosilicate Length 50 mm Width 50 mm Thickness Tolerance ±0.2 mm Diameter Tolerance +0/-0.2 mm Length Tolerance ±0.25 mm Width Tolerance ±0.25 mm Supplier Location United Kingdom; Rhode Island, USA See product details More from Knight Optical
Square Mirror	400 - 700 nm	> 85% (420 - 550 nm)	50 x 50 mm	2 weeks	$ 156.00
Product Code Wavelength Range 400 - 700 nm Transmission Wavelength 420 - 550 nm Transmittance > 85% (420 - 550 nm) Dimensions 50 x 50 mm Thickness 1 mm Angle of Incidence 45° Shape Square Surface Quality 60-40 scratch-dig Substrate B 270 Weight 7 g Supplier Location California, USA See product details More from OptoSigma
Dichroic Filter	-	-	Ø 22 mm	Contact Supplier	Add to cart to request quote
Product Code Diameter 22 mm Dimensions Ø 22 mm Thickness 1 mm Shape Round Supplier Location Vermont, USA See product details More from omega optical