740nm Longpass Filter, Hard Coated, High Transmission Rate

Specifications

Transmission Wavelength Range: 730 – 1100 nm
Cut-On Wavelength: 720 nm
Transmission: 95 %
Blocking (Optical Density): OD>=3
Filter Type: Longpass Filter
Coating Type: Hard film Coated
AOI: 0°±5°
Central Wavelength: 740nm±3nm
Cutoff Wavelength: 300nm~720nm
Cutoff Rate: <0.05%
Passing Wavelength: 730nm~1100nm
Transmission: >95%
Scratch-Dig: 60/40
Raw Material: Fused Silica, B270, Float Glass, or other optical glass
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Features

Advantages



  • Plated with hard, long service life

  • Wavelength accuracy

  • Ion plating with low temperature drift

  • High penetration rate

  • High cut-off depth

Applications


  • Optical Instruments: The 740nm Longpass Filter with a Hard Coat and High Transmission Rate Enhance the performance of spectrometers and other optical devices by allowing the passage of specific wavelengths while blocking others.

  • Photography: This longpass filter improve image quality by filtering out unwanted wavelengths, particularly in infrared photography.

  • Medical Imaging: Used in devices that require precise wavelength selection for accurate imaging and diagnostics.

  • Laser Systems: Protects sensitive components by blocking specific wavelengths and allowing others, crucial in laser applications.

  • Scientific Research: Essential for experiments that require precise control of light wavelengths, such as fluorescence microscopy.

  • Industrial Applications: Used in quality control processes where specific light filtering is required to detect material properties.

  • Astronomy: Enhances telescope imaging by filtering out light pollution and isolating specific wavelengths of interest.

  • Telecommunications: Improves signal clarity by filtering out noise in optical communication systems.