IR Longpass Filter 800nm For Thermal Imaging

An IR longpass filter 800nm is a filter that only allows light with wavelengths longer than 800nm to pass through, while blocking any light with wavelengths shorter than 800nm. This filter is commonly used in applications where it is necessary to block visible light and shorter wavelength infrared light while allowing longer wavelength infrared light to pass through, such as in thermal imaging, remote sensing, and industrial monitoring.

UVWAVETEK designs and manufactures high-quality IR longpass filters that can provide precise wavelength transmission characteristics, excellent blocking of shorter wavelength light, and high transmission efficiency for longer wavelength light. We have gained ISO9001 and ROHS certificate and all of the filters should have passed rigid quality tests before sending to our clients. If you are searching for long pass filters with superior manufacturing quality and precise wavelength transmission characteristics, our filter will never let you down.

Features

- Long pass for 800nm

- High attenuation

- Low insertion loss

- Steep rolloff curve

- Low noise

- Long-lasting performance

Parameters

Spectrum transmission curve

Applications

LP800nm is used in a variety of scientific and industrial applications where it is necessary to block visible light and shorter wavelength infrared light while allowing longer wavelength infrared light to pass through. Some of the common applications for IR longpass filter 800nm include:

- Thermal imaging

- Remote sensing

- Industrial monitoring

- Astronomy

- Medical imaging

How does the IR longpass filter 800nm apply in thermal imaging?

In thermal imaging, IR longpass filter 800nm is used to block visible light and shorter wavelength infrared radiation, allowing only thermal radiation with longer wavelengths to pass through. Thermal radiation is emitted by all objects with a temperature above absolute zero and is directly proportional to their temperature. By filtering out unwanted radiation, the LP800nm filter allows the thermal camera to capture high-quality images that can be used in various applications such as building inspections, electrical inspections, and predictive maintenance.

The LP800nm filter works by absorbing and reflecting shorter wavelength radiation while transmitting only the radiation with wavelengths longer than 800nm. This selective filtering allows the camera to capture only the thermal radiation emitted by the objects in the scene, providing a clear and accurate image of their temperature distribution. The filter also helps to reduce noise and improve the contrast of the thermal image, making it easier to identify and analyze temperature variations.

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