Laser having beam terminating mechanism

Details Laser having beam terminating mechanism Laser having beam terminating mechanism

1976-07-09

1978-05-02

Sikes, William L.

Oscillators

Molecular or particle resonant type

350269, H01S 302

Patent

active

040877663

ABSTRACT:
A laser is described having a protective mechanism for terminating its output beam without requiring the laser power to be disconnected. Such protective mechanism includes a barrier located within the laser optical cavity for movement between a position preventing the radiation oscillation responsible for lasing action and another position allowing the lasing action to take place. A feedthrough mechanism is included for transmitting motion imparted to an actuator external of the laser to motion of the barrier between its positions within the optical cavity. In the preferred embodiment, the feedthrough mechanism relies on a magnetic arrangement to insure that the hermetic isolation of the optical cavity from the atmosphere ambient to the laser is not deleteriously affected due to the necessity of transmitting motion from outside the optical cavity to its interior.

REFERENCES:
patent: 3369101 (1968-02-01), Curcio
patent: 3619037 (1971-11-01), Pugh, Jr.

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