Dzhafarov Aleksey V. RussiaSaratovSaratov State University, 410012, Russia, Saratov, Astrakhanskaya street, 83jafaralex@mail.ru Author's articles Methods of Autodyne Interferometry of the Distance by Injected Current Modulation of a Semiconductor Laser Method for Measuring Acceleration by the Spectrum of Self-Mixing Signal of Semiconductor Laser