Fiber type light wave-length converting apparatus

Details Fiber type light wave-length converting apparatus Fiber type light wave-length converting apparatus

1990-11-26

1991-10-01

Lee, John D.

Optical waveguides

With optical coupler

Input/output coupler

307430, 385122, 359326, 359709, G02F 135

Patent

active

050527720

ABSTRACT:
A fiber type light wave-length converting apparatus having a fiber type light wave-length converting element and an axicon lens. The fiber type light wave-length converting element is arranged to a position relative to the axicon lens satisyfing a predetermined condition, whereby an SH wave of a parallel light having a circular intensity distribution is obtained.

REFERENCES:
patent: 4892375 (1990-01-01), Chikuma et al.
patent: 4909587 (1990-03-01), Okamoto et al.
patent: 4919511 (1990-04-01), Ohsawa

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