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Item has been Discontinued. See Other Parts to Consider tab below.

635 nm laser BrightLine® single-edge laser-flat dichroic beamsplitter

Part Number: Di01-R635-25x36

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  • Your filter spectrum may differ slightly from the typical spectrum above, but is certified to meet the optical specifications noted below.
Optical Specifications
Reflection Band 1Rabs > 94% 632.8 – 647.1 nm
Reflection Band 1 (p-pol)Rabs > 90% 632.8 – 647.1 nm
Reflection Band 1 (s-pol)Rabs > 98% 632.8 – 647.1 nm
Edge Wavelength 1654 nm
Transmission Band 1Tavg > 93% 663.3 – 1200 nm
Laser Wavelengths 1632.8 nm, 635 +7/-0 nm, 647.1 nm

General Filter Specifications
Angle of Incidence45 degrees with a shift of 0.35%/degree (40 – 50 degrees)
Cone Half-angle0.5 degrees
Optical Damage RatingNot Tested
FlatnessLaser Flat
Filter Effective Index1.74 Understanding ‘Effective Index of Refraction’ neff

Physical Filter Specifications (applies to standard sized parts; contact us regarding other sizes)
Transverse Dimensions (L x W)25.2 mm x 35.6 mm
Transverse Tolerance± 0.1 mm
Filter Thickness (unmounted)1.05 mm
Filter Thickness Tolerance (unmounted)± 0.05 mm
Clear Aperture≥ 80% (elliptical)
Substrate TypeFused Silica
Substrate Thickness (unmounted)1.05 mm
Substrate Thickness Tolerance (unmounted)± 0.05 mm
OrientationReflective surface marked with part number - Orient in direction of incoming light

Revised Filter


635 nm laser BrightLine® single-edge super-resolution laser dichroic beamsplitter

• Laser Dichroic Beamsplitter with edge at 655.8 nm
• Rabs > 94% 632.8 – 647.1 nm
• Ravg > 90% 350 – 632.8 nm 
• Tavg > 93% 658.8 – 1200 nm
• 1 wave P-V RWE on 1 mm
• 1/5 wave P-V RWE on 3 mm

Custom sizing available in less than a week (sizing fee applies).
Part # Di03-R635-t1-25x36
(Non-US pricing info)

US domestic pricing only. If you are ordering from outside the US, please contact your nearest regional distributor for the correct list price.


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