A solid state laser medium is composed of Nd:YAG, the wavelength of a second harmonic wave is 557 to 559 nm and a free spectral range of a solid etalon falls in any of the values of a range A of 1.04 to 1.07 nm, a range B of 1.42 to 1.61 nm, a range C of 2.07 to 2.14 nm and a range D of 2.37 to 3.21 nm.

 
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< Tunable narrow linewidth laser source

> Method and electronic circuit for controlling of a supply voltage of a laser diode

> Self-contained module for injecting signal into slave laser without any modifications or adaptations to it

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