Double-layer structural wideband light source

Abstract

A kind of double deck structure broadband illuminant, the pump illuminant output end links the coupler which transports the pump light in two bundles according to the preinstall power ratio by optical fiber, the wavelength division multiplexer links the reflecting mirror by using the optical fiber; the optical fiber links the wavelength division multiplexer which concatenates the isolator, the long-periodic grating , the coupler in proper order; the electric current controlling parts links the pump illuminant; The working electric current controlling parts which links with the pump illuminant was set in the down carrier board, the upper carrier board with CMSO chip which can control the temperature was set above the down carrier board . The device in the down carrier board and the working electric current controlling parts link with the control electric current source and the pumping light source, the photodiode links with the optical feedback output end of the first couplers; The temperature couple back circuit links with the pumping light source which has the critesister; The temperature control chip is set on the upper carrier board.

Description

technical field [0001] The invention belongs to the technical field of optical fiber light sources, in particular to segmental pumping and a superradiation light source with a temperature control device, and is especially suitable for optical fiber gyroscopes. Background technique [0002] Due to the remarkable characteristics of high precision, no damage, no mechanical movement, and long life, the fiber optic gyroscope has been widely used and paid attention to in aerospace, navigation, military and many civilian fields. The key component - the light source needs to be Considering factors such as wavelength, temporal coherence, spatial coherence, spectral type, power and central wavelength stability, and operating temperature range, especially in the military field, the performance requirements for light sources are more stringent. The known technology, such as SLD light source for fiber optic gyroscope, is difficult to solve the problem of side lobe...

AI Technical Summary

Problems solved by technology

[0007] Problems existing in the known technology: First, the applicable working temperature range of the light source is narrow, and the working temperature of the pump light source cannot be well controlled. The limitations of the light source directly affect the applicability of the fiber optic gyroscope; The double-layer structure broadband light source used in the fiber optic gyroscope is relatively large, which also affects the applicable field of the fiber optic gyroscope

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