Filter

UV Interference Filters

Specifications:
Center Wavelength (CWL): ±2nm
Full Width at Half Maximum Transmission (FWHM): 10nm±2nm
Out-of-Band Blocking < 0.01% (X-ray to 700nm)
Housing Diameter: 25.4 ± 0.15 mm
Thickness: 6mm max
Clear Aperture >20mm dia
Other wavelength and shapes are available as a special order.

VIS & IR Laser Interference Filters

Specifications:
Center Wavelength (CWL): ±2nm
Full Width at Half Maximum Transmission (FWHM): 10nm±2nm
Minimum Peak Transmission: between 40%-50%
Out-of-Band Blocking < 0.01% (X-ray to Far IR)
Temperature Range: -50°C to +80°C
Center Wavelength Shifts <0.02nm/°C(linearly with temperature)
Housing Diameter: 25.4 ± 0.15 mm
Thickness: 6mm max
Clear Aperture >20mm dia
Other wavelength and shapes are available as a special order.

Short and Long Wave Pass Filters

Specifications:
Material: BK7 grade A, fine annealed or UV grade fused silica
Dimensions: 25.4±0.20 mm
Thickness: 2 ±0.10 mm
Wedge < 3 arc min
Surface Quality: 60-40 scratch-dig
Wavefront Distortion: 1 l per inch
Angle of Incidence: 0°± 5°
Transmission: >80% Ave
Blocking: <1% Ave
Cut-on/Cut-off Wavelength: +/-10nm
Wavelength Shift With Temperature: <0.25nm/°C
Clear Aperture: 90% dimension
Damage Threshold: 1 W/cm2 CW, 1J /cm2 Pulsed