Gas laser chamber/optics support structure

Details Gas laser chamber/optics support structure Gas laser chamber/optics support structure

1998-10-16

2000-08-29

Ramirez, Ramon O.

Supports

Stand

To hold a particular article

248676, 248678, F16M 1100

Patent

active

061095745

ABSTRACT:
A chamber/optics support structure for a laser having a laser chamber with a vibration source. The chamber and the laser resonance cavity optical elements are supported on a platform. The chamber is supported by a plurality of wheels which in turn rests on two tracks on track supports mounted on the platform. A flexible clamp flexibly clamps the chamber in a horizontal position to align it with the resonance cavity optical elements and to substantially decouple vibration between the chamber vibration source to the optical elements in a frequency range of concern.
The invention is especially useful for positioning the heavy laser chamber of a narrow band excimer laser and for decoupling vibrations resulting from its blower from the lasers line narrowing module and output coupler. In a preferred embodiment the plurality of wheels is three wheels, two of which rest in a V-groove track and one of which rests on a flat track. This preferred embodiment uses two flex-clamps each having an adjustment bolt and four symmetrically spaced silicon rubber vibration isolators. Precise horizontal alignment of the chamber is accomplished using the adjustment bolt which is then held in position with a lock nut and a clamping bolt. Silicon rubber dampers in the isolators decouple horizontal chamber vibrations from the optical elements.

REFERENCES:
patent: 4534047 (1985-08-01), Deschenaux et al.
patent: 4719641 (1988-01-01), Muller et al.
patent: 4760583 (1988-07-01), Sasnett et al.
patent: 5040953 (1991-08-01), Tinsler
Von H. de Boer, et al., "Ein schwingungsisolierterMeBtisch mit Niveau-Regelung",FEINWERKTECHNIK& MESSTECHNIK, vol. 88, No. 5 (Aug. 1980), pp. 233-236.

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