A Method for Dual Spontaneous Emission Amplification Using Organic Laser Gain Dielectric Thin Films

Abstract

The invention discloses a method for realizing dual spontaneous emission amplification by using an organic laser gain medium film. The method comprises the following steps of a, preparing an organic laser gain medium film device which consists of a substrate and an organic laser gain medium, wherein the organic laser gain medium is uniformly decomposed on the substrate; b, performing pumping laseremission on the prepared organic laser gain medium film device, wherein the pumping laser energy value can reach the gain saturation value of the spontaneous emission amplification of the organic laser gain medium. The method has the advantages that the organic laser gain medium uses the organic laser grain medium to form a smooth film layer on the substrate; the change of the spontaneous emission amplification threshold value of the device is realized through changing the excitation wavelength of the organic laser gain medium film; the dual spontaneous emission amplification of the device isrealized under the condition that the specific pumping laser wavelength and the pumping energy exceed the spontaneous emission gain saturation. The method has the advantages that the operation is simple; the implementation is easy; the cost is low; the method can be used for building organic film dual spontaneous emission amplification devices.

Description

technical field [0001] The invention belongs to the field of laser technology, and in particular relates to a method for realizing double spontaneous radiation amplification by using an organic laser gain medium film. Background technique [0002] π-conjugated organic semiconductor materials have attracted extensive attention and research due to their low cost, the ability to prepare large-area devices by solution methods, and the ability to control photophysical properties through simple molecular design, and have been widely used in various optoelectronic devices. However, there are still many challenges in electrically pumped organic semiconductor lasers, and it is difficult to design and develop organic laser materials with high gain and high mobility. Among them, the research on spontaneous emission amplification of high-energy pumping and multi-wavelength excitation has not been reported, and the application of multi-wavelength output through monochromatic light excita...

AI Technical Summary

Problems solved by technology

However, there are still many challenges in electrically pumped organic semiconductor lasers, and it is difficult to design and develop organic laser materials with high gain and high mobility.

Among them, the research on spontaneous emission amplification of high-energy pumping and multi-wavelength excitation has not been reported, and the application of multi-wavelength output through monochromatic light excitation of organic gain media has not been realized.

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