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Accute Optical Technology Co.,Ltd,offer IR pass filter,bandpass filters

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Index > Optical Filters > Long Pass Filter
Last Update: 2025-8-21

 

Long pass filter,high pass filter,low pass filter,short pass filter
  • Application：Strong light torch,optical instrument, fluorescence analyzer
  • Substrate：BK7,K9，Quartz Glass,Soda-lime glass
  • package：Thin film package or capacitor paper vacuum package

 

Definition of Long/Short Pass Filter

A filter that lets appointed wavelength pass and block lower wavelength,we called it long pass or high pass filter.Such as IR pass filter is a long pass filter.

A filter that lets appointed wavelength pass and block higher wavelength,we called it short pass or low pass filter.Such as IR cut filter is a short pass filter.

 

Long Pass Filters List

Name Part No Type Description Details
550nm Long Pass Filter LPF-550 Coating T=50%@550±7nm,Tavg>90%@570-1200nm More
600nm Long Pass Filter LPF-600 Coating T=50%@600±7nm,Tavg>90%@620-1200nm More
610nm Long Pass Filter LPF-610 Coating T=50%@610±7nm,Tavg>90%@630-1200nm More
670nm Long Pass Filter LPF-670 Coating T=50%@670±7nm,Tavg>90%@690-1200nm More
700nm Long Pass Filter LPF-700 Coating T=50%@700±7nm,Tavg>90%@720-1200nm More
720nm Long Pass Filter LPF-720 Coating T=50%@720±10nm,Tavg>85%@740-1100nm More
780nm Long Pass Filter LPF-780 Coating T=50%@780±7nm,Tavg>90%@800-1200nm More
1000nm Long Pass Filter LPF-1000 Coating T<1%@200-980nm，T>90%@1020-2000nm More

 

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