Q1072-SF24L AO Q-SWITCH
Description
Q-switches are intracavity devices used to generate very high peak power, short duration laser pulses. These are typically loss modulators operating on the zero order beam. The goal of a Q-switch is to diffract as much power from the zero order as possible to increase the cavity loss and extinguish the laser output. When the RF drive to the Q-switch is momentarily turned off, the optical power built up in the laser is emitted as a short pulse. The process may be repeated at rates in excess of 100KHz. Depending on the frequency and interaction length, AO Q-switches either operate in the Bragg regime, just like an AOM, with predominately a single diffracted beam or in the Raman-Nath regime with multiple diffracted beams.
Q1072-SF24L AO Q-SWITCH
Specifications |
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|---|---|
| Aperture Diameter: | 1.5 mm |
| Peak Optical Power Density: | 300 MW/cm^2 |
| Wavelength Range: | 1-1nm |
| Transmission: | 80 % |
| Extinction Ratio: | < 10:1 |
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Frequently Asked Questions
Q-switches are used to generate high peak power, short duration laser pulses by modulating the zero order beam.
When the RF drive to the Q-switch is momentarily turned off, the built-up optical power in the laser is emitted as a short pulse.
AO Q-switches can operate in either the Bragg regime, with a single diffracted beam, or the Raman-Nath regime, with multiple diffracted beams.
The diffraction efficiency is greater than 65% at 3 Watts (nominal) and greater than 80% at 5 Watts (nominal) of RF power.
The damage threshold is greater than 300MW/cm2.