Adjustable random laser chip based on PDMS (polydimethylsiloxane) wrinkles of different cycles and preparation method

• Main Authors: WANG WENJIE, JI WEIBANG, LIU SHAODING, CHEN JINGDONG, SONG YATING
• Format: Patent
• Language: Chinese; English
• Published: 29.06.2018
• Subjects: BASIC ELECTRIC ELEMENTS; DEVICES USING STIMULATED EMISSION; ELECTRICITY

The invention discloses an adjustable random laser chip based on PDMS (polydimethylsiloxane) wrinkles of different cycles and a preparation method, belongs to the technical field of random laser chipsand aims to solve the technical problems to provide the adjustable random laser chip which is prepared with the simple preparation method and short in preparation cycle as well as the preparation method. According to the technical scheme, the adjustable random laser chip comprises a first PDMS chip, a gain medium and a second PDMS chip, wherein the gain medium is arranged between the first PDMS chip and the second PDMS chip, and multiple wrinkle structures of different cycles are formed in the surface, contacted with the gain medium, of the first PDMS chip. The preparation method of the adjustable random laser chip comprises steps as follows: the first PDMS chip is stretched, plasma treatment is performed on different areas of the first PDMS chip in different time periods, and wrinkles ofdifferent cycles are form