초록 ▼

A mounting assembly for supporting a Brewster window and mirror to intercept a laser beam at the end of a gas laser envelope includes an elongated tubular member having one end opening into the gas laser envelope and an opposite end closed by the Brewster window. A rigid housing supporting the mirro

A mounting assembly for supporting a Brewster window and mirror to intercept a laser beam at the end of a gas laser envelope includes an elongated tubular member having one end opening into the gas laser envelope and an opposite end closed by the Brewster window. A rigid housing supporting the mirror is joined to the tubular member close to the end having the Brewster window by a flexible sealed joint that permits limited movement of the housing relative to the tubular member generally along the length of the tubular member while inhibiting flow of contaminants from the exterior into the passage formed by the rigid housing between the Brewster window and mirror. A seal is placed between the rigid housing and mirror to inhibit flow of such contaminants into the passage from the mirror location. A mounting structure joins the rigid housing to the gas laser envelope to secure them together and includes an adjustment mechanism that permits the housing to be moved relative to the envelope for adjusting the angular orientation of the supported mirror relative to the intercepted laser beam.

대표청구항 ▼

An improved laser apparatus of the type which includes an enclosure for containing a lasable gas medium extending along a laser beam path, the enclosure including a window at one end thereof positioned to intercept said laser beam path for passage of laser radiation from said enclosure, a mirror out

An improved laser apparatus of the type which includes an enclosure for containing a lasable gas medium extending along a laser beam path, the enclosure including a window at one end thereof positioned to intercept said laser beam path for passage of laser radiation from said enclosure, a mirror outside said enclosure positioned to intercept said laser beam path, and a mounting structure for supporting said enclosure and said mirror, the improvement comprising a mirror housing assembly which includes a rigid tube having a generally cylindrically shape extending along said laser beam path, one end of said rigid tube including means for receiving and supporting said mirror and the opposite end of said tube extending around said one end of said enclosure having said window to provide support to said one end of said enclosure, mirror tuning means on said mounting structure for supporting said mirror housing assembly for movement to permit positioning of said mirror relative to said enclosure, said opposite end of said rigid tube including a flexible seal between the interior of said rigid tube and the exterior of said enclosure to inhibit contaminants from entering said rigid tube, said flexible seal being dimensioned to permit limited relative movement between said rigid tube of said mirror housing assembly and said enclosure to maintain a seal therebetween when said mirror is repositioned.