Study on High Power Passive Mode - locked Laser Characteristics Based on New Type of Oxidized Graphene Saturated Absorber View Homepage


Ontology type: schema:MonetaryGrant     


Grant Info

YEARS

2012-2015

FUNDING AMOUNT

270000 CNY

ABSTRACT

The pauli blocking effect of graphene results in its characteristic of saturable absorption. Therefore, graphene can be used as a saturable absorber in the generation of ultrashort pulse. The new type of graphene oxide can dissolve in water, so graphene oxide has more advantages than graphene in the preparation of aqeous solution and saturable absorber. In our project, the vertical growing method of new type graphene oxide is researched. A polymer-free graphene oxide and coating a dielectric film can improve the damage threshold of graphene oxide. The relationship between the generation, formation and stable operation of passively mode-locked laser pulses and the macro parameters of graphene oxide is revealed. Theoretical model of passively mode locking based on graphene oxide is established. High power passively mode-locked based on graphene oxide saturable absorber is successfully obtained. This research has significant innovation and practicality. It is a new research method of mode-locked laser characteristic based on new type of graphene oxide saturable absorber. More... »

URL

http://npd.nsfc.gov.cn/projectDetail.action?pid=61205133

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