JPH0337247Y2 - - Google Patents
Info
- Publication number
- JPH0337247Y2 JPH0337247Y2 JP1983045016U JP4501683U JPH0337247Y2 JP H0337247 Y2 JPH0337247 Y2 JP H0337247Y2 JP 1983045016 U JP1983045016 U JP 1983045016U JP 4501683 U JP4501683 U JP 4501683U JP H0337247 Y2 JPH0337247 Y2 JP H0337247Y2
- Authority
- JP
- Japan
- Prior art keywords
- prism
- laser tube
- mirror
- fixed
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Substances [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Lasers (AREA)
Description
【考案の詳細な説明】 本考案はイオンレーザ管の構造に関する。[Detailed explanation of the idea] The present invention relates to the structure of an ion laser tube.
アルゴンイオンレーザは、青や緑のコヒーレン
ト光源としてスキヤナー、プリンターなどの産業
機器に組込まれるようになつた。とくに空冷のア
ルゴンイオンレーザは取扱いの簡便さから機器組
込用として好まれる。このとき、メンテナンスの
容易性から内部ミラー形レーザ、すなわちレーザ
管の真空外囲器がブリユースタ窓で終ることな
く、ミラーが真空外囲器の１部として組込まれた
ものがのぞましい。これはほこりが光共振器の光
路内に入り込まぬようにするためである。 Argon ion lasers have come to be incorporated into industrial equipment such as scanners and printers as blue and green coherent light sources. In particular, air-cooled argon ion lasers are preferred for use in equipment because of their ease of handling. In this case, from the viewpoint of ease of maintenance, an internal mirror type laser, that is, one in which the vacuum envelope of the laser tube does not end at the Brewster window, but in which the mirror is incorporated as a part of the vacuum envelope, is preferred. This is to prevent dust from entering the optical path of the optical resonator.
さて、アルゴンレーザを単色発振させるときプ
リズムを光共振器内部に入れなければならない。
内部ミラー形のアルゴンレーザでは、プリズム保
持の機構を狭い空間で実現しなくてはならないた
め苦労することが多い。プリズム保持にあたつて
考えねばならないことは、(イ)プリズムが動きださ
ぬこと、(ロ)そしてプリズムに歪が入つてはならな
いことである。この２つの条件は矛盾する面が多
い。つまりプリズムを強固に固定しようとして、
１部に偏つた力を加えるとプリズムに歪が入り光
共振器の光路内の損失成分を増加させることにな
つてしまう。極端な場合、この歪による損失のた
めに出力は半減してしまうこともある。 Now, when making an argon laser monochromatically oscillate, a prism must be placed inside an optical resonator.
Internal mirror type argon lasers are often difficult to implement because the mechanism for holding the prism must be implemented in a narrow space. The things that must be considered when holding a prism are (a) that the prism does not start moving, and (b) that the prism is not distorted. These two conditions are often contradictory. In other words, trying to firmly fix the prism,
If a biased force is applied to one portion, distortion will occur in the prism, increasing the loss component in the optical path of the optical resonator. In extreme cases, the output can be halved due to losses caused by this distortion.
本考案の目的は、内部ミラー形レーザ管の光共
振器内に挿入されるプリズムに歪が入らないよう
な保持構造を提供することにある。 An object of the present invention is to provide a holding structure that prevents distortion of a prism inserted into an optical resonator of an internal mirror type laser tube.
第１図は本考案の１実施例であり、内部ミラー
形アルゴンレーザ管の１端の全反射ミラー側の断
面図を示す。図において、円柱状光学ガラスから
つくりだしたプリズム１は、その側面全体をしめ
つける形のつばを有するプリズムホルダ２に固定
され、光軸から約42度傾けてブロツク３に対して
設けられた穴の中に収納され、ミラー４と共に低
融点ガラス５によつてブロツク３に固定されてい
る。６はブロツクとレーザ管のガラス部７との連
結体であり、ベローズであつても良い。 FIG. 1 shows one embodiment of the present invention, and shows a sectional view of one end of an internal mirror type argon laser tube on the side of a total reflection mirror. In the figure, a prism 1 made of cylindrical optical glass is fixed to a prism holder 2 which has a flange that tightens the entire side surface of the prism 1, and is placed in a hole provided in a block 3 at an angle of approximately 42 degrees from the optical axis. The mirror 4 and the mirror 4 are fixed to the block 3 by a low melting point glass 5. Reference numeral 6 denotes a connection body between the block and the glass portion 7 of the laser tube, which may be a bellows.
第１図はレーザ管の一端部を示すものであり図
の右方には、レーザ媒質をつくりだす放電管の部
分があるが省略されている。 FIG. 1 shows one end of the laser tube, and on the right side of the figure there is a portion of the discharge tube that produces the laser medium, but it is omitted.
第２図はプリズム１がプリズムホルダ２の中に
収納された状態を示す部分組立図の斜視図であ
る。図において、あらかじめプリズムホルダ２の
スリツトをせまくしておいてこのスリツトをおし
広げるようにプリズム１を挿入するとプリズムホ
ルダ２のスプリング作用で強い力でプリズムの固
定が行なわれる。しかしこの力はプリズムの円柱
状の側面全体に加わり、１点に集中してかからな
いからプリズムに歪が入りレーザ出力が低下して
しまうことはない。 FIG. 2 is a perspective view of a partially assembled view showing the prism 1 housed in the prism holder 2. FIG. In the figure, when the slit of the prism holder 2 is made narrow in advance and the prism 1 is inserted so as to widen the slit, the prism is fixed with a strong force due to the spring action of the prism holder 2. However, this force is applied to the entire cylindrical side surface of the prism and is not concentrated at one point, so the prism is not distorted and the laser output is not reduced.
以上、円筒状側面をもつプリズムに対する固定
構造を述べてきたが、角柱状の側面をもつプリズ
ムに対する固定も同様に行なうことができる。 Although the fixing structure for a prism having cylindrical side surfaces has been described above, fixing for a prism having prismatic side surfaces can be performed in the same manner.
また、図ではミラー４を真空気密封止するため
の低融点ガラス５がプリズムホルダー２のつばの
部分をも固定するようにしてあるが、つばの部分
をブロツク３に対してスポツト溶接することも考
えられるから、このことが本考案の内容を制限す
るものではない。 Furthermore, in the figure, the low melting point glass 5 for vacuum-sealing the mirror 4 is also fixed to the brim of the prism holder 2, but the brim may also be spot welded to the block 3. Since it is possible, this does not limit the content of the present invention.
第１図は本考案の一実施例を示すレーザ管一端
部の断面図、第２図は本考案の一実施例である第
１図の部分組立図である。
１……プリズム、２……プリズムホルダー、３
……ブロツク、４……ミラー、５……低融点ガラ
ス、６……連結体、７……ガラス部、８……光
路。
FIG. 1 is a sectional view of one end of a laser tube showing an embodiment of the present invention, and FIG. 2 is a partially assembled view of FIG. 1, which is an embodiment of the present invention. 1... Prism, 2... Prism holder, 3
...Block, 4...Mirror, 5...Low melting point glass, 6...Connection body, 7...Glass part, 8...Optical path.
Claims (1)
あるプリズムホルダにより固定し、これをレーザ
管の一端にあるブロツクに光軸に対して約42度の
角度で設けられた穴の中に固定し、該穴の端にミ
ラーを封止したことを特徴とするイオンレーザ
管。 The prism is fixed with a springy prism holder that tightens its side, and this is fixed in a hole made in a block at one end of the laser tube at an angle of about 42 degrees to the optical axis. An ion laser tube characterized by a mirror sealed at the end of the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4501683U JPS59151464U (en) | 1983-03-29 | 1983-03-29 | ion laser tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4501683U JPS59151464U (en) | 1983-03-29 | 1983-03-29 | ion laser tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59151464U JPS59151464U (en) | 1984-10-11 |
| JPH0337247Y2 true JPH0337247Y2 (en) | 1991-08-07 |
Family
ID=30175540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4501683U Granted JPS59151464U (en) | 1983-03-29 | 1983-03-29 | ion laser tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59151464U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS534881B2 (en) * | 1973-08-31 | 1978-02-22 | ||
| JPS5413019U (en) * | 1977-06-29 | 1979-01-27 | ||
| JPS5680188A (en) * | 1979-12-05 | 1981-07-01 | Nec Corp | Rectilinearly polarized gas laser tube |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS534881U (en) * | 1976-06-30 | 1978-01-17 | ||
| JPS5784760U (en) * | 1980-11-14 | 1982-05-25 |
-
1983
- 1983-03-29 JP JP4501683U patent/JPS59151464U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS534881B2 (en) * | 1973-08-31 | 1978-02-22 | ||
| JPS5413019U (en) * | 1977-06-29 | 1979-01-27 | ||
| JPS5680188A (en) * | 1979-12-05 | 1981-07-01 | Nec Corp | Rectilinearly polarized gas laser tube |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59151464U (en) | 1984-10-11 |
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