Development of fiber-type widely tunable DFG mid-infrared laser source

Abstract

Abstract:

A miniaturized, widely tunable and fiber-type CW mid-infrared light source system based on DFG/QPM technique is successfully developed. In our system, the segmental tunable fundamental sources are adopted, and the specific tuning bands for the fundamental lights are realized by using electronically controlled optical switches. For pump lasers, three tunable ytterbium doped fiber lasers (YDFLs) whose total tuning bands ranging of 1050~1110nm are adopted; and for the signal lasers, three erbium doped fiber lasers (EDFLs) with total tuning bands ranging of 1535～1600nm are selected. A mid-IR DFG laser source module with the size of 440×290×500mm3 has been successfully developed. And the tuning range of the mid-IR module covers from 3054.5nm to 4009.1nm.

Key words: laser techniques, segmental tuning, mid-IR, difference frequency generation, fiber laser

CLC Number:

TN248

LI Xiu-li, Feng Su-juan1, MAO Qing-he. Development of fiber-type widely tunable DFG mid-infrared laser source[J]. J4, 2012, 29(3): 298-302.

References

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