Welcome to our booth: xiamen optical Exhibition China 2023, XMIPE Box Optronics
Narrow linewidth lasers are widely used as light sources and receivers in fiber optic communication systems. In terms of light sources, narrow linewidth lasers can provide high-quality and highly stable optical signals, which can reduce signal distortion and bit error rates. In terms of receivers, narrow linewidth lasers can provide high sensitivity and high-precision light detection, which can enhance the signal detection capabilities of the receiver. In addition, narrow linewidth lasers can be used for functions such as optical filtering and frequency conversion.
Single-frequency fiber lasers have a very narrow limit linewidth, and their spectral line shape is Lorentz type, which is significantly different from single-frequency semiconductors. The reason is that single-frequency fiber lasers have longer laser resonant cavities and longer photon lifetimes in the cavity. This means that single-frequency fiber lasers have lower phase noise and frequency noise than single-frequency semiconductor lasers.
At the 2023 Indo-Pacific International Maritime Exhibition, Australian Optronic Systems demonstrated its newly developed anti-drone soft-kill solution for the first time.
Generally speaking, when people talk about infrared light sources, they are referring to light with vacuum wavelengths greater than ~700–800 nm (the upper limit of the visible wavelength range).
laser distance measurng uses a laser as a light source for ranging. According to the way the laser works, it is divided into continuous optical devices and pulse lasers. Ammonia, gas ions, atmosphere temperature and other gas detectors work in a continuous forward state, used for phase laser ranging, dual heterogeneous semiconductor lasers, used for infrared ranging, ruby, gold glass and solid-state lasers , used for pulsed laser ranging.
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