Band pass filter is a surface plating with film, another surface with antireflecting film.
Product size:
1) 11mm ×14.0mm ×1.1mm
2) the diameter of 25.4± 0.1× 1.1± 0.1mm
3) 7.0mm ×7.0mm ×1.10mm
4) can be customized according to customer demand
Material: K9
Through the " 90% rate
The cutting depth: OD6
Incident angle: 0 ° or to 45°
Surface quality: 40/20
Aperture >90%
Wavelength with temperature: <0.25nm/ ℃
Damage threshold: 300MW/cm ²CW, 1J/cm ²pulsed
Product type: GI-BP440-40
Material: optical glass (in line with the ROHS environmental protection )
The center wavelength of 440nm ±2nm
The center wavelength transmittance >85%
Peak transmittance of >85%
Bandwidth: 40nm ±2nm
Cutoff region: 200nm~400nm, 500nm~1100nm
The cutoff rate: T<0.1%
Appearance: 60/40
Advantage.
Monolithic without the use of glue.
Glass thin, only 1.1mm thickness
Plated with hard, long service life,
Wavelength accuracy
Ion plating, low temperature drift
High penetration rate,
High cut-off depth
Application fields:
440nm band-pass filter
Double name: blue narrow band filter
440nm laser
440nm blue light diode
Medical instrumentation
Fluorescence microscopic analysis apparatus
Tunable laser
Ink identification
Band pass filter for color consistency, film stability: salt mist corrosion testing of the surface by the GB/T10125 standard surface technology test center authority test, Shenzhen City bowel etre photoelectric Limited not only supply the band pass filter, also supply all kinds of optical cold processing products : various specifications of IR-CUT ( infrared cut-off filter, broadband gain ) permeability (R-Coating ) membrane, a band pass filter of high reflective film, reflective film for optical communications, half coated crystal coating gold-plated ( silver mirror, aluminum ), ultraviolet reflector, color filter, red green blue three basic colour filter.
