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Interference Filters

 

SPECIFICATIONS

 

Substrate Material: BK7 or Fused Silica

Diameter25.40mm+0/-0.2mm

Thickness:3.0mm±0.2mm

Clear Aperture: Exceeds central 90% of dimension

FWHM:±10nm

Peak Transmission:>35%

Block:0.01%(±20nm from the peak)

 

Standard wavelength:

      355nm,405nm,488nm,514nm

      532nm,633nm,780nm,850nm,1064nm

 

Birefringent Filters

 

SPECIFICATIONS

 

Substrate Material: Quartz Crystal

Diameter Tolerance:+0/-0.2mm

Clear Aperture: Exceeds central 90% of dimension

Parallelism:<3 arc sec

Thickness Tolerance: ±0.05mm

Surface Quality:20/10

Flatness:λ/4 at 633nm

Thickness:T=0,5mm

Colored-Glass Filters

Glass Type: Cut-off Glass

                 Selective Absorption Glass

                 Neutral Filter Glass

 

SPECIFICATIONS

 

Diameter: From Φ2.0mm up to Φ350mm

Thickness Tolerance: ±0.20mm

Clear Aperture: Exceeds central 90% of dimension

Surface Quality:60/40

Flatness: λ/2 per inch

 

Cut-off Glass

Selective Absorption Glass

Neutral Filter Glass

Name

Wavelength nm

Name

Wavelength nm

Name

Absorption

Ultraviolet Glass

220-380

Ultraviolet Glass

300-360

Grey Colored Glass

T=1%-70%

Golden Glass

400-510

Violet Glass

360-400

 

 

Orange Glass

535-580

Blue Glass

420-600

 

 

Red Glass

600-720

Green Glass

510-580

 

 

Infrared Glass

760-930

Golden Glass

560-900

 

 

 

 

Orange Glass

580-900

 

 

 

 

Red Glass

610-1200

 

 

 

 

Infrared Glass

800-1500

 

 

 

 

Heat-absorbing Glass

400-700

 

 

 

 

Sky-light Glass

400-2000

 

 

Note: Other size and specification are available upon requirement.

        All rights reserved. Copyright@ Optoaxis Revised in Nov.2007