骞夸笢鍗佷竴閫変簲绮惧噯璁?Cut-off filter

Cut-off filter
  • Accurate wavelength positioning
  • Customizable

Cut-off filter can filter out all long wave or short wave from compound light and remain. It’s extensively applied in machine vision, biochemical analysis, optical instrument and spectrum measurement, etc.

Materials: According to customers’ request Dimension Tolerance (mm): ±0.01 ~±0.2
Bevel: 0.5mm, 45° Scratch & Dig: 10/5~80/50
PV: λ/20~λ/2 / Φ100 mm Clear Aperture: >90%
Central Wavelength: Visible & NIR Average Passband Transmittance: >90%
Blocking: OD3 Cut-off Wavelength Range: According to customers’ request
Coating: Multilayer dielectric coating of Electron beam alluviation

Coating Workshop

Boxin has been continuously upgrading its coating facilities. At present, Boxin has 10 sets of advanced local and foreign made coating machines and customize various optical coating layers according to customer inquiries.

Film inspection

Boxin has established a completed coating inspection system, equipped with Hitachi u-4100 , FTIR-920 IR, american-made PE-Lambda 950 spectrometers and other advanced coating inspecting equipment, and also, Boxin independently developed the Laser-induced Damage Threshold machine to accurately testing LIDT coatings, so as to provide customers with high-quality LIDT coatings.

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