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Acousto-optic Q-switch is in-cavity device used to generate very high peak power, short duration laser pulses. It is typically loss modulator that operate on a zero-level beam.

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Free-Space Modulators

Acousto-optic modulator is commonly used to adjust laser intensity (amplitude modulation, AM) outside the laser cavity.

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Frequency Shifters

Acousto-optic frequency shifter is specially designed for frequency shift. It’s an acousto-optic device that converts the frequency of input light to the frequency of an RF drive.

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Fiber-Coupled Modulators

Acousto-optic modulator is generally used outside the laser cavity to change the intensity of the incoming laser (amplitude modulated AM).

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Phase Modulators

Phase modulator is based on electro-optic effect and high frequency resonator theory, which can phase modulate polarized light. It is often used in precision optics systems.

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Polarization-Maintaining Yb-Doped Fibers

Polarization-maintaining (PM) Yb-doped fibers adopts Panda type design to enhance the fiber birefringence. It demonstrate the characteristics of good conversion efficiency and high gain.

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Tm/Ho Doped Fibers

Tm- or Ho-doped fibers operate at wavelengths around 2.0μm, They are eve safe and are beneficial for applications such as LiDAR, laser medical treatment, and special material processing.

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Er-Doped Fibers

Erbium-doped fiber has the characteristics of high gain, large gain bandwidth, ow noise around 1.5 μm wavelength which also matched with the low attenuation window of communication fiber, so that it is widely used in DWDM optical transmission network and CATV network to amplify optical signals.

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