Acousto-optic tunable filters
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Acousto-optic tunable filter (AOTF) is a kind of solid state, electronically addressed and random access optical passband filter. It can be used to quickly and dynamically select specific wavelengths from wideband or multiline sources. Diffraction occurs when specific matching conditions are met between acoustic beams and laser beams. Thus, it becomes possible to electronically control filter parameters such as wavelength, modulation depth, and even bandwidth to provide fast (typically μs), dynamic, random access optical filtering.
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Acousto-optic tunable filters demonstrate remarkable optical throughput, with diffraction efficiencies exceeding 90% for properly polarized light when using optimized RF power levels. Their all-electronic control eliminates mechanical wear, ensuring reliability exceeding 100 million switching cycles.
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Understanding Acousto-Optic Tunable Filters: A Key Component in Laser Processing
Acousto-Optic Tunable Filters are advanced optical devices that utilize the interaction between sound waves and light to enable efficient wavelength tuning. By employing an acousto-optic effect, these filters can selectively transmit specific wavelengths while blocking others, making them essential tools in laser technology. With their ability to manipulate light in real-time, AOTFs provide a dyna
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