Device for dispersing light pulses of which the spectral...

Details Device for dispersing light pulses of which the spectral... Device for dispersing light pulses of which the spectral...

2006-11-01

2008-08-19

Hasan, Mohammed (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S290000, C359S305000

Reexamination Certificate

active

07414773

ABSTRACT:
Device for dispersion of light pulses of an optical beam constituted by two dispersive prisms with the same vertex angle, mounted head to tail, the optical input surface of the first prism being parallel to the optical output surface of the second prism, the distance separating the optical input surface of the first prism and the optical output surface of the second prism being adjustable, given that the material constituting at least one of the first and second prisms is an acousto-optic material allowing for acousto-optic interaction between the optical beam and an acoustic beam, the acoustic wave of the acoustic beam generating, in at least one of the first and second prisms, an integrated deflective Bragg cell.

REFERENCES:
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patent: 4685772 (1987-08-01), Chang
patent: 5463493 (1995-10-01), Shah
patent: 6771412 (2004-08-01), Torchigin
patent: 2 852 155 (2004-09-01), None
R.L. Fork et al., “Negative Dispersion Using Pairs Prisms”, Optical Letters, OSA, Optical Society of America, Washington, DC, US vol. 9, No. 5, May 1984, pp. 150-152.
D. Parsons-Karavassilis et al., “Diode-Pumped All-Solid-State Ultrafast CR:LISGAF Laser Oscillator-Amplifier Applied to Laser Ablation”, Optics Communications, North-Holland Publishing Co., Amsterdam, Netherlands, vol. 175, No. 4-6, Mar. 2000, pp. 389-396.

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