Optical recording system using a gas laser capable of oscillatin

Details Optical recording system using a gas laser capable of oscillatin Optical recording system using a gas laser capable of oscillatin

1995-06-29

1997-03-11

Hindi, Nabil

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369112, G11B 700

Patent

active

056108966

ABSTRACT:
An optical recording system has a gas laser having an optical resonator for emitting a laser beam, and an optical modulator for modulating the laser beam in accordance with a signal to be recorded. An optical system is provided for focusing the modulated laser beam on the recording medium so as to record the signal. The optical resonator has an etalon and a wavelength selecting prism for selecting a single wavelength so that the gas laser oscillates the laser beam in a single longitudinal mode.

REFERENCES:
patent: 3810106 (1974-05-01), Nadler et al.
patent: 3976957 (1976-08-01), Le Floch et al.
patent: 4768182 (1988-08-01), Hatfield
patent: 5420846 (1995-05-01), Sugiyama

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