Abstract

A new method of frequency-shifting for a diode laser is realized. Using a sample-and-hold circuit, the error signal can be held by the circuit during frequency shifting. It can avoid the restraint of locking or even lock-losing caused by the servo circuit when we input a step-up voltage into piezoelectric transition (PZT) to achieve laser frequency-shifting.

© 2005 Chinese Optics Letters

Frequency-stabilized diode laser with the Zeeman shift in an atomic vapor

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