骞夸笢鍗佷竴閫変簲楠楀眬:Bandpass filter

Bandpass filter
  • Accurate wavelength positioning
  • Customizable

Boxin’s bandpass filter features accurate wavelength, no drifting and high cut-off depth. Boxin equips advanced coating machines, we can guarantee firm adhesive strength and good exquisiteness of the films of every single filter.

Materials: According to customers’ request Full Width at Half Maximum: 10nm-200nm
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
Transmission at CWL: >85% 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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