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In this paper we characterize the power stabilization of a diode laser based on a simple scheme using a sin-gle acousto-optic modulator (AOM). This is needed for a project of compact vapor-cell atomic
What is the Diffraction Efficiency of Acousto-Optic Modulators? Diffraction efficiency is a critical performance metric for AOMs, indicating how effectively the device can redirect light into a
Use these AOMs with high-power lasers without the risk of device degradation, thanks to our use of superior optical materials and high damage threshold coatings.
Here we report experimental investigations on the power stabilization of a diode laser with an acousto-optic modulator. In the frequency domain, the relative power noise is reduced at the
What is the Diffraction Efficiency of Acousto-Optic Modulators? Diffraction efficiency is a critical performance metric for AOMs, indicating how
Operating at a center frequency of 100 MHz, this AOM supports up to 23 watts of optical input power, making it ideal for use in industrial laser processing, material ablation, and high-energy
When faster control is necessary electro-optic modulators are used. However, these require very high voltages (e.g. 1...10 kV), whereas AOMs offer more deflection range, simple design, and low power
For sufficiently high acoustic power, well more than 50% of the optical power can be diffracted — in extreme cases, even more than 95% diffraction efficiency is achieved.
The work focuses on exploring feedback control strategies, particularly PID-based regulation, to achieve stable laser intensity by dynamically adjusting the RF drive power supplied to
To avoid damage to the exposed fiber end faces and internal components, the optical input power should never exceed 20 mW for wavelengths shorter 650nm. We produce a special version to
Moreover, the proposed method can simultaneously adjust the frequency and power of the output beam through preprocessing of acousto-optic modulator drive signal, which significantly