Home > Business Introduction > Optical Coating > Filter Coating
/

Filter Coating

Boxin can coat all kinds of coating for Filter, include Bandpass Filter, Edge Filter, Longwave Pass/Shortwave Pass. Boxin’s coating technology can provide customers with the best coating layer.

Bandpass filter

Materials: According to customers’ requestFull Width at Half Maximum: 10nm-200nm
Dimension Tolerance (mm): ±0.01 ~±0.2Bevel: 0.5mm, 45°
Scratch & Dig: 10/5~80/50PV: λ/20~λ/2 / Φ100 mm
Clear Aperture: >90%Central Wavelength: Visible & NIR
Transmission at CWL: >85%Blocking: OD3
Cut-off Wavelength Range: According to customers’ requestCoating: Multilayer dielectric coating of Electron beam alluviation


Cut-off filter

Materials: According to customers’ requestDimension Tolerance (mm): ±0.01 ~±0.2
Bevel: 0.5mm, 45°Scratch & Dig: 10/5~80/50
PV: λ/20~λ/2 / Φ100 mmClear Aperture: >90%
Central Wavelength: Visible & NIRAverage Passband Transmittance: >90%
Blocking: OD3Cut-off Wavelength Range: According to customers’ request


Long wavepass/short wavepass

Materials: According to customers’ requestDimension Tolerance (mm): ±0.01 ~±0.2
Bevel: 0.5mm, 45°Scratch & Dig: 10/5~80/50
PV: λ/20~λ/2 / Φ100 mmAngle of Incidence: 0°
Clear Aperture: >90%Damage Threshold: >5J/cm²(1.06μm,1ns)
Coating: Multilayer dielectric coating of Electron beam alluviation



Bandpass filter

滤光片膜- 带通滤光片.jpg


Cut-off filter

滤光片膜- 截止滤光片.jpg


Long wavepass/short wavepass

滤光片膜- 长波通-短波通.jpg

滤光片膜- 长波通-短波通 (2).jpg