EP0430183A2
Expired / Lapsed
EP
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Fiber type light wave-length converting apparatus
Assignee: Pioneer Corp
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Filing: 1990-11-27
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Granted: —
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Expires: 2010-11-27
Abstract
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 satisfying a predetermined condition, whereby an SH wave of a parallel light having a circular intensity distribution is obtained.
Inventors
- 👤 Sota Okamoto
- 👤 Kiyofumi Chikuma
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 19:17
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/12; G11B7/135; G11B7/1398; G02; G02B; G02B5/00; G02B5/001; G02F; G02F1/00; G02F1/35; G02F1/37; G02F1/377; G02F1/383; G11B7/1372; G11B7/1376; G02F1/372
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
A light wave-length converting apparatus comprising: a fiber type light wave-length converting element for converting a wave-length of an incident light; an axicon lens for converting a light emitted from the light wave-length converting element into a parallel light; and a condenser lens for focusing the parallel light from the axicon lens, wherein the axicon lens is arranged at a position which satisfies a condition of L = D/2tan α for the light wave-length converting element where L represents a distance from an emitting end surface of the light wave-length converting element to a front edge of the axicon lens, D represents an outer diameter of the light wave-length converting element, and α represents Cerenkov angle.
References Cited (Backward Citations)
No citation records indexed.
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