Modular, high energy, widely-tunable ultrafast fiber source

Details Modular, high energy, widely-tunable ultrafast fiber source Modular, high energy, widely-tunable ultrafast fiber source

2005-04-26

2005-04-26

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular beam control device

Control of pulse characteristics

C372S003000, C372S006000, C372S070000

Reexamination Certificate

active

06885683

ABSTRACT:
A modular, compact and widely tunable laser system for the efficient generation of high peak and high average power ultrashort pulses. Modularity is ensured by the implementation of interchangeable amplifier components. System compactness is ensured by employing efficient fiber amplifiers, directly or indirectly pumped by diode lasers. Peak power handling capability of the fiber amplifiers is expanded by using optimized pulse shapes, as well as dispersively broadened pulses. After amplification, the dispersively stretched pulses can be re-compressed to nearly their bandwidth limit by the implementation of another set of dispersive delay lines. To ensure a wide tunability of the whole system, Raman-shifting of the compact sources of the ultrashort pulses in conjunction with frequency-conversion in nonlinear optical crystals can be implemented, or an Anti-Stokes fiber in conjunction with fiber amplifiers and Raman-shifters are used.

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