Longpass Filter
  • Longpass Filter
  • Longpass Filter
  • Longpass Filter
  • Longpass Filter
  • Longpass Filter

Longpass Filter

parameter:

One side is coated with a hard dielectric long pass filter film, and the other side is coated with an anti-reflection film to achieve high transmittance and high damage threshold.

  • Description
  • Products Center
  • More

BRD Optical has the advantages of wide cut-off band width, deep cut-off depth, high conversion steepness and high transmittance. It can be widely used in fluorescence excitation spectrum measurement, Raman spectrum application, spectrum grouping application, and astronomical observation application, etc.Longpass Filter It can also be widely used in imaging optical system, machine vision system application, used to eliminate the interference light outside the available band, greatly improve the imaging clarity, as well as the sensitivity of the system.

MaterialBK7 
TransmittanceT>90%
Blocking DepthOD2-OD4
AOI0° or 45°
Surface   quality60/40
Clear aperture>90%



Part No.blocking   Range
    (nm)
Blocking DepthTransmission   Range
    (nm)
Transmittance   in
    pass band
LPF400200-375>OD2420-1200Tavg>85%
LPF425200-405>OD2445-1200Tavg>85%
LPF450200-430>OD2470-1200Tavg>85%
LPF475200-455>OD2495-1200Tavg>85%
LPF500200-480>OD2520-1200Tavg>85%
LPF525200-550>OD2545-1200Tavg>85%
LPF550200-530>OD2575-1200Tavg>85%
LPF575200-550>OD2600-1200Tavg>85%
LPF600200-570>OD2625-1200Tavg>85%
LPF625200-595>OD2650-1200Tavg>85%
LPF650200-620>OD2675-1200Tavg>85%
LPF675200-645>OD2700-1200Tavg>85%
LPF700200-670>OD2725-1200Tavg>85%
LPF725200-695>OD2750-1200Tavg>85%
LPF750200-720>OD2775-1200Tavg>85%
LPF775200-745>OD2800-1200Tavg>85%
LPF800400-770>OD2825-1200Tavg>85%
LPF825400-795>OD2850-1200Tavg>85%
LPF850400-820>OD2875-1200Tavg>85%
LPF875400-845>OD2900-1200Tavg>85%
LPF900400-870>OD2930-1200Tavg>85%
LPF925400-895>OD2955-1200Tavg>85%
LPF950400-910>OD2980-1200Tavg>85%
LPF975400-935>OD21010-1800Tavg>85%
LPF1000400-960>OD21040-1800Tavg>85%
LPF1025400-985>OD21070-1800Tavg>85%
LPF1050400-1010>OD21110-1800Tavg>85%
LPF1075400-1035>OD21130-1800Tavg>85%
LPF1100400-1060>OD21160-1800Tavg>85%



you may also like

PRODUCTS

Contact us
  • Tel: +86 431 8188 4163
  • Add: No.399 Bo Cai Road, High-Tech Industrial Development Area, Changchun, Jilin, China, Zip code 130012
Send Inquirey