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Priority to JP2181984ApriorityCriticalpatent/JPS60167482A/ja
Publication of JPS60167482ApublicationCriticalpatent/JPS60167482A/ja
Publication of JPS6364072B2publicationCriticalpatent/JPS6364072B2/ja
H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
H01S3/02—Constructional details
H01S3/03—Constructional details of gas laser discharge tubes
H01S3/036—Means for obtaining or maintaining the desired gas pressure within the tube, e.g. by gettering, replenishing; Means for circulating the gas, e.g. for equalising the pressure within the tube