System for generating shaped optical pulses and measuring optica

Details System for generating shaped optical pulses and measuring optica System for generating shaped optical pulses and measuring optica

1992-05-18

1993-11-16

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Control of pulse characteristics

372102, 372101, 372103, 372 26, 372 31, H01S 310

Patent

active

052630390

ABSTRACT:
A temporally shaped or modified optical output pulse is generated from a bandwidth-encoded optical input pulse in a system in which the input pulse is in the form of a beam which is spectrally spread into components contained within the bandwidth, followed by deflection of the spectrally spread beam (SBD) thereby spatially mapping the components in correspondence with the temporal input pulse profile in the focal plane of a lens, and by spatially selective attenuation of selected components in that focal plane. The shaped or modified optical output pulse is then reconstructed from the attenuated spectral components. The pulse-shaping system is particularly useful for generating optical pulses of selected temporal shape over a wide range of pulse duration, such pulses finding application in the fields of optical communication, optical recording and data storage, atomic and molecular spectroscopy and laser fusion. An optical streak camera is also provided which uses SBD to display the beam intensity in the focal plane as a function of time during the input pulse.

REFERENCES:
patent: 5048029 (1991-09-01), Skupsky et al.
patent: 5095487 (1992-03-01), Meyerhofer et al.
S. C. Burkhart, et al., IEEE Transaction, Microwave Theory Tech, vol. 38 pp. 1514-1518 (1990).
IAEA Technical Committee Mtg. on Drivers for Inertial Confinement Fusion (Osoka, Japan, Apr. 15-19, 1991) 21 pp.

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