Ion laser tubes

Coherent light generators – Particular active media – Gas

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372 62, 372 55, H01S 303

Patent

active

053196643

ABSTRACT:
The invention provides an ion laser tube in which a TiC or B.sub.4 C coating layer having excellent durability to plasma bombardment and an alumina coating layer for preventing oxidation of TiC and B.sub.4 C are provided on an inner face of a central hole in an SiC capillary member, whereby stability to electric discharge or plasma bombardment increases and properties of the ion laser tube are stabilized. Thus, the sputtering resistance is improved and degradation of the laser properties is suppressed.

REFERENCES:
patent: 4912719 (1990-03-01), Kanamoto et al.

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