Abstract
Construction of a simple single-frequency diode laser 632.8 nm, used as a frequency standard in the laser interferometers is demonstrated. Two different systems applied for frequency stabilization of diode laser were used . For diode laser used as the secondary standard, the system stabilizes diode temperature, the frequency stability of the laser reaches value 1 part in 106. For diode laser used as the primary standard is developed stabilization system using narrow absorption in iodine, the frequency stability of constructed diode laser reaches value 1 part in 1010 . The stabilization method can be used for another diode lasers with different wavelength using in fiber communications systems.
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