Advantages Of CO2 Laser Rangefinders And Designators

Vincent J. Corcoran

doi:10.1117/12.958746

22 August 1980 Advantages Of CO₂ Laser Rangefinders And Designators

Vincent J. Corcoran

Proceedings Volume 0227, CO2 Laser Devices and Applications; (1980) https://doi.org/10.1117/12.958746
Event: 1980 Technical Symposium East, 1980, Washington, D.C., United States

Abstract

Laser rangefinders for fire control applications and laser designators for semiactive guidance of precision projectiles demonstrated their utility in combat situations in Vietnam. The first laser rangefinder used a pulsed ruby laser; however, the low repetition rate limitation of the ruby laser precluded its use as a designator. A further disadvantage to ruby lasers is their visible radiation which, of course, is detectable by the eye. Ruby lasers were soon replaced by neodymium doped yttrium aluminum garnet, YAG:Nd+3, lasers which, because of their higher pulse repetition rate capability, could be used in designator applications as well as for rangefinders. Through continued research and development these devices eventually became sufficiently lightweight to not only become manportable designators, but also rangefinders which could be used in the same way as binoculars are employed. A number of rangefinders and designators are currently in production or about to be put into production. Approximately a decade ago, clisideration was given to the possibility of using CO2 lasers as rangefinders and designators. As with YAG:Nd -I devices, the work has initially been concentrated on rangefinders. These devices have advanced to the stage where three models one from Honeywell, one from Raytheon and one from Marconi have been delivered to the Army Night Vision and Electro-Optical Laboratory for evaluation. In addition, Hughes Aircraft Company will use a Marconi laser in a CO₂ rangefinder for the XM-1 tank.

Citation Download Citation

Vincent J. Corcoran "Advantages Of CO₂ Laser Rangefinders And Designators", Proc. SPIE 0227, CO2 Laser Devices and Applications, (22 August 1980); https://doi.org/10.1117/12.958746

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KEYWORDS

Carbon dioxide lasers

Pulsed laser operation

Gas lasers

Heterodyning

Laser designators

Receivers

Forward looking infrared

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