LEITH specializes in premium optical filters made to fit a variety of application requirements. We provide a range of products that include dichroic filters for effective light separation, bandpass filters for accurate wavelength selection, color glass filters for a variety of color correction activities, IPL filters for powerful pulsed light applications, and ND filters for regulated light attenuation.
Optical filters have diverse applications across various fields. In photography and cinematography, they enhance image quality by controlling light intensity and color balance. In scientific research, they isolate specific wavelengths for spectroscopy and fluorescence microscopy. Optical filters are crucial in telecommunications for wavelength division multiplexing, enabling efficient data transmission. In astronomy, they help in observing celestial objects by filtering out unwanted light. Additionally, they are used in medical diagnostics, such as in endoscopy and laser surgery, to improve visibility and precision. Environmental monitoring also benefits from optical filters in detecting pollutants and analyzing atmospheric conditions.
The maximum temperature an optical window can withstand depends on the material it is made from. Common materials include fused silica, sapphire, and various types of glass. Fused silica can typically endure temperatures up to around 1000°C, while sapphire can withstand temperatures up to approximately 2000°C. Standard optical glasses, like BK7, generally have lower temperature limits, around 500°C. The specific maximum temperature also depends on factors such as thermal expansion, mechanical stress, and the presence of coatings.
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