Paper
20 September 1982 Helium-Cadmium Lasers For High Speed Writing Applications
William F. Hug
Author Affiliations +
Abstract
The spectral sensitivity of several common photosensitive materials used in high speed writing applications is described along with response characteristics at specific emission wavelengths of common commercial lasers. A comparison is presented of the design and performance characteristics of helium-cadmium versus air cooled argon-ion lasers used for writing on orthochromatic materials. The laser design simplification opportunities are discussed for helium-cadmium lasers because of the high efficiency and low power density inherent in helium-cadmium lasers. New hard sealed coaxial plasma tube construction emulating helium-neon plasma tube construction has dramatically improved the reliability and shelf lifetime of helium-cadmium lasers.
© (1982) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
William F. Hug "Helium-Cadmium Lasers For High Speed Writing Applications", Proc. SPIE 0390, High Speed Read/Write Techniques for Advanced Printing and Data Handling, (20 September 1982); https://doi.org/10.1117/12.935051
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KEYWORDS
Argon ion lasers

Plasma

Helium cadmium lasers

Mirrors

Resonators

Laser resonators

Capillaries

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