Method and apparatus for lensing a light beam

Details Method and apparatus for lensing a light beam Method and apparatus for lensing a light beam

1986-10-09

1988-04-26

Arnold, Bruce Y.

G02B 312

Patent

active

047400625

ABSTRACT:
A gas lens 10 for lensing a light beam 12. A first gas is injected through orifices 18-18.sup.n into enclosure 16 thereby forming a row of jets 14-14.sup.n. A second gas having a different index of refractivity than the first gas also is contained within the enclosure 16 in the form of a mantle 24 surrounding each jet 14-14.sup.n. The light beam 12 is lensed (either convergently or divergently) as it passes through the jet/mantle interfaces.

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patent: 3402980 (1968-09-01), Hutson
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patent: 3521190 (1970-07-01), Schimitschek et al.
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Beck, "Gas Mixture Lens Measurements"; The Bell System Technical Journal; vol. XLIII, No. 4, part 2; 7/1964, pp. 1821-1825.
Imai, M., Ito, K. Matsumoto, T., "On a Curved Gas Lens with Idealized Medium", Electronics & Communications in Japan, vol. 51-B, No. 6, 1968, pp. 45-53.
Iga, K. Suematsu, Y., "Experimental Studies on the Focusing and Related Characteristics of the Hyperbolic-Type Gas Lens", Tokyo Institute of Technology, No. 89, 1968, pp. 81-98.
Iga, K. "Experimental Studies on the Limitation of Focusing Power of Hyperbolic-Type Gas Lens", Japanese Journal of Applied Physics, vol. 8, Feb. 1969, pp. 255-259.

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