JPH0279923U

JPH0279923U -

Info

Publication number: JPH0279923U
Application number: JP16004188U
Authority: JP
Priority date: 1988-12-09
Filing date: 1988-12-09
Publication date: 1990-06-20

Description

[Brief explanation of drawings]

第１図はこの考案の第１実施例を示す部分断面
図、第２図は第１図の変形例を示す部分断面図、
第３図は第２実施例を示す部分断面図、第４図は
第３図の変形例を示す部分断面図、第５図は第３
実施例を示す部分断面図、第６図は第５図の参考
例を示す部分断面図、第７図は従来の鉤形のレー
ザープローブを示す斜視図、第８図は第７図中矢
示部を示す部分断面図、第９図はストレート形
のレーザープローブを示す斜視図である。図面における主要な符号の説明、１，１０，２
１，３１，４０，４８……レーザープローブ、３
……光学ガラス部、４，２４，３４，４７……導
光フアイバー、５，３５……先端、６……鏡面、
１３……ミラー、１４，２６……セルフオツクレ
ンズ、３３……光学チツプ、Ｌ０１，Ｌ１１，Ｌ
１２，Ｌ２，Ｌ３１，Ｌ３２……レーザー光、ａ
，ｂ，ｃ，ｄ，ｅ……焦点距離、ｆ１，ｆ２，ｆ
３，ｆ４……焦点。 FIG. 1 is a partial sectional view showing a first embodiment of this invention, FIG. 2 is a partial sectional view showing a modification of FIG. 1,
3 is a partial sectional view showing the second embodiment, FIG. 4 is a partial sectional view showing a modification of FIG. 3, and FIG. 5 is a partial sectional view showing the second embodiment.
6 is a partial sectional view showing a reference example of FIG. 5, FIG. 7 is a perspective view showing a conventional hook-shaped laser probe, and FIG. 8 is a section indicated by an arrow in FIG. 7. FIG. 9 is a perspective view showing a straight laser probe. Explanation of main symbols in the drawings, 1, 10, 2
1, 31, 40, 48...laser probe, 3
...Optical glass part, 4, 24, 34, 47... Light guiding fiber, 5, 35... Tip, 6... Mirror surface,
13...Mirror, 14, 26...Self-occurrence lens, 33...Optical chip, L01, L11, L
12, L2, L31, L32... Laser light, a
, b, c, d, e...focal length, f1, f2, f
3, f4...Focus.

Claims

[Scope of utility model registration request]

The end of an optical fiber that transmits laser light from a laser light source is fixedly held within the probe, and a lens system is provided at the tip of this optical fiber, and the laser light that has passed through this lens system is directed from the tip of the probe to a predetermined direction. A laser probe that focuses at a distance.