JPS59218405A - Fiber for transmission of light energy - Google Patents
Fiber for transmission of light energyInfo
- Publication number
- JPS59218405A JPS59218405A JP58092312A JP9231283A JPS59218405A JP S59218405 A JPS59218405 A JP S59218405A JP 58092312 A JP58092312 A JP 58092312A JP 9231283 A JP9231283 A JP 9231283A JP S59218405 A JPS59218405 A JP S59218405A
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- film
- refractive index
- energy transmission
- reflectance
- 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.)
- Granted
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 15
- 229910001632 barium fluoride Inorganic materials 0.000 claims abstract description 10
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 9
- 229910001634 calcium fluoride Inorganic materials 0.000 claims abstract description 9
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 claims abstract 3
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- -1 CeI Substances 0.000 claims description 2
- 229910016036 BaF 2 Inorganic materials 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 35
- 239000010409 thin film Substances 0.000 abstract description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 3
- 239000013307 optical fiber Substances 0.000 abstract description 2
- 230000003449 preventive effect Effects 0.000 abstract 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 abstract 2
- LYQFWZFBNBDLEO-UHFFFAOYSA-M caesium bromide Chemical compound [Br-].[Cs+] LYQFWZFBNBDLEO-UHFFFAOYSA-M 0.000 abstract 2
- 229910021607 Silver chloride Inorganic materials 0.000 abstract 1
- 238000002310 reflectometry Methods 0.000 abstract 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 abstract 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical group [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Inorganic materials [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 abstract 1
- PGAPATLGJSQQBU-UHFFFAOYSA-M thallium(i) bromide Chemical compound [Tl]Br PGAPATLGJSQQBU-UHFFFAOYSA-M 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 15
- 239000002356 single layer Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- FPHIOHCCQGUGKU-UHFFFAOYSA-L difluorolead Chemical compound F[Pb]F FPHIOHCCQGUGKU-UHFFFAOYSA-L 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/102—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type for infrared and ultraviolet radiation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/02—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of crystals, e.g. rock-salt, semi-conductors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/241—Light guide terminations
Abstract
Description
【発明の詳細な説明】
本発明はＡｒ ガスレーザ、Ｎｄ ： ＹＡＧレーザ
、Ｃ０２ガスレーザ等のエネルギー伝送用に用いられる
ファイバーにおいて、その入出力端面の反射を防止する
ことによシ、光エネルギーの伝送効率を向上させたファ
イバーに関するものであるＯ
近年、医療機器の分野においてレーザ、特にＣＯ２レー
ザの熱エネルギーの利用が盛んになってきておシ、その
エネルギー伝送路として結晶ファイバーが使われ始めて
いる。DETAILED DESCRIPTION OF THE INVENTION The present invention improves optical energy transmission efficiency by preventing reflection at the input and output end faces of fibers used for energy transmission such as Ar gas lasers, Nd:YAG lasers, and CO2 gas lasers. In recent years, the use of thermal energy from lasers, especially CO2 lasers, has become popular in the field of medical equipment, and crystal fibers have begun to be used as energy transmission paths.
しかしながら、赤外透過材料であ。るタリウムハライド
、アルカリノ・ライド、銀ノ・ライドはいづれも、Ｃ０
２レーザの波長１０．６μｍにおいて反射率が高く、両
面の反射を合わせて、１０％から２０ｑ６に達する０こ
のため、この種のファイバーの伝送効率を向上させるた
めには、ファイバ一端面の反射を減少させることが重要
である０
本発明の目的は、この種のファイバーの端面に反射防止
膜を施こすことにより反射を減少させて、エネルギーの
伝送効率を向上させることにある。However, it is an infrared transparent material. Thallium halide, alkalinolide, and silveride all have C0
2 The reflectance is high at the laser wavelength of 10.6 μm, and the reflection from both sides reaches 10% to 20q60. Therefore, in order to improve the transmission efficiency of this type of fiber, it is necessary to reduce the reflection at one end of the fiber. It is important to reduce 0.An object of the present invention is to reduce reflection by applying an antireflection coating to the end face of this type of fiber, thereby improving energy transmission efficiency.
反射防止膜は光ファイバーの入力端面あるいは入出力両
端面に一層〜多層に形成するが、反射防止膜の材料の選
定は次のようにして行なう。The antireflection film is formed in one to multiple layers on the input end face or both input and output end faces of the optical fiber, and the material for the antireflection film is selected as follows.
（１）単層反射防止膜の場合
一般に、第１図に示すように空気Ａ（屈折率１）と屈折
率ｎの媒質Ｂの間に、屈折率ｎｌ。(1) In the case of a single-layer antireflection film, generally, as shown in FIG. 1, there is a refractive index nl between air A (with a refractive index of 1) and a medium B with a refractive index of n.
厚さｄｌ の薄膜Ｍが存在する場合、空気側から境界
面に垂直に入射する光の反射率Ｒは次のように表わされ
る〔神山等編、「薄膜工学−・ンドプツク」（オーム社
）〕。When a thin film M with a thickness dl exists, the reflectance R of light incident perpendicularly to the boundary surface from the air side is expressed as follows [edited by Kamiyama et al., "Thin Film Engineering - Ndoptsuk" (Ohmsha)] .
λ：入射する光の波長
これから ｎｌ ＝Ｖ−１−■
なる屈折率を有する材料からなるｄ、 の厚さの膜を
屈折率ｎの媒質表面上に−設けることによって垂直に入
射する光の反射率ＦｉＯとなる。λ: Wavelength of incident light From here on, by providing a film with a thickness of d made of a material with a refractive index of nl = V-1-■ on the surface of a medium with a refractive index of n, reflection of vertically incident light can be achieved. The rate is FiO.
反射防止膜はＣＯ２レーザ等使用レーザの波長において
、上記波長の光に対する屈折率が、ファイバーの拐料の
該波長の光に対する屈折率の平方根に近いものを材料と
して選ぶのが好ましい。It is preferable to select a material for the antireflection film whose refractive index for light at the wavelength of the laser used, such as a CO2 laser, is close to the square root of the refractive index of the fiber material for light at the wavelength.
ファイバーの材料の波長１０．６μｍｎの光に対する屈
折率ｎおよびその平方根を第１表に示す。Table 1 shows the refractive index n of the fiber material for light having a wavelength of 10.6 μm and its square root.
第 １ 表
ＫＨ２−５： ＴｔＩ とＴｔＢｒの混晶ＫＲ８−
６二 ＴｌＢｒとＴｔＣｌの混晶一方、反射防止膜材料
として用い得るものの屈折率ｎ１ を第２表に示す。Table 1 KH2-5: Mixed crystal of TtI and TtBr KR8-
Table 2 shows the refractive index n1 of a mixed crystal of TlBr and TtCl that can be used as an antireflection film material.
第 ２ 表
反射防止膜の厚さは前記０式にしたがって適宜法められ
るが、およそ１．５〜２．５μｍの範囲である。The thickness of the second anti-reflection film is determined as appropriate according to the above formula 0, and is approximately in the range of 1.5 to 2.5 μm.
次にファイバと反射防止膜の組合せによる反射の軽減の
結果を第４表に示す。Next, Table 4 shows the results of reducing reflection by the combination of fiber and antireflection film.
第 ４ 表
ＡｙＣｌ １０．’８ ＮａＦ
２．２ ’ ２ＢａＦ２ １．
９ ０ＣａＦ２ ２．０５
０．５ＫＢｒ １．７０ ４．０
ＫＣ６１，８５２，０
ＮａＣ４１，７８３，Ｏ
Ａｙ Ｂｒ １３．６ ＢａＦ２
１．９ ２．０ＣａＦ２ ２．
０５ ０．２ＮａＦ １，７５
０ＫＢｒ ２．２ ３．
５ｋｙＢｆ、 ＫＨ２−６ＫＢｒ １．７０
１．０ｋｙＢｒ、 ＫＨ２６ＮａＣ１１，７８０
，５ＫＲ８−５１６，５ＫＢｒ １．７５
０ＢａＦ２ １．９ １Ｃ
ａＦ２ ２．０５ ２．５ＮａＣ６１
，７６３＋０
ＫＣ１１，８３１，Ｑ
ＮａＦ ２．２０ ２．０ＣｓＩ
７．５ ＮａＦ ２．２
０．７ＣａＦ２ ２，０５ ０．５
ＢａＦ２ １．９０ ３．２ＫＢｒ
２．２０ ４＋５ＫＣ１１，８３４
，８
ＮａＣ６１，７６５，１
ＣｎＢｒ ６．２ ＮａＦ
２．２０ ２．０ＮａＣ１１
，８０５，ｌ
ＣａＦ２ ２．１０ ２．０ＢａＦ２
１．９０ ３．１ＫＣ１１，８５４
，５
ＫＢｒ １．７１ ４＋８以上のこ
とから判るように、単層の反射防止膜では、媒質の屈折
率の平方根に等しい材料を選んで薄膜を形成しなければ
反射率を０とし得ないが、現実にはそのような材料が存
在しないため反射率は減少しても０とはな勺・得ない。Table 4 AyCl 10. '8 NaF
2.2' 2BaF2 1.
9 0CaF2 2.05
0.5KBr 1.70 4.0
KC61,852,0 NaC41,783,O Ay Br 13.6 BaF2
1.9 2.0CaF2 2.
05 0.2NaF 1,75
0KBr 2.2 3.
5kyBf, KH2-6KBr 1.70
1.0kyBr, KH26NaC11,780
,5KR8-516,5KBr 1.75
0BaF2 1.9 1C
aF2 2.05 2.5NaC61
,763+0 KC11,831,Q NaF 2.20 2.0CsI
7.5 NaF 2.2
0.7CaF2 2,05 0.5 BaF2 1.90 3.2KBr
2.20 4+5KC11,834
,8 NaC61,765,1 CnBr 6.2 NaF
2.20 2.0NaC11
,805,l CaF2 2.10 2.0BaF2
1.90 3.1KC11,854
, 5 KBr 1.71 4+8 As can be seen from the above, in a single-layer antireflection film, the reflectance cannot be reduced to 0 unless a thin film is formed by selecting a material equal to the square root of the refractive index of the medium. In reality, such a material does not exist, so even if the reflectance decreases, it does not become zero.
そこで屈折率の異なる２層以上の多層反射防止膜を膜厚
を適宜組合せて設ければ、反射率を０とすることもでき
、好適である。Therefore, if two or more multilayer antireflection films with different refractive indexes are provided with appropriate combinations of film thicknesses, the reflectance can be set to 0, which is preferable.
（２）２層反射防止膜の場合
次に２層反射防止膜についで詳細に説明する。第２図に
示すように膜が２層で、外層膜Ｍ２ の屈折率を・ｎ
２、 内層膜Ｍ、 の屈折率をｎｌｑそれぞｈ、の厚
さをａ２．ａｌ とするとき、薄膜材料にその屈折率
が第３図の斜線部の範囲内にあるような材料を選ぶこと
によって、空気側から垂直入射する光の反射率を０にし
得ることが一般に知られている（ Ｌｕｔｈｅｒ Ｂ。(2) Case of two-layer anti-reflection film Next, the two-layer anti-reflection film will be explained in detail. As shown in Figure 2, there are two layers, and the refractive index of the outer layer M2 is ・n
2. The refractive index of the inner layer M is nlq h, and the thickness of the inner film M is a2. It is generally known that the reflectance of vertically incident light from the air side can be reduced to 0 by selecting a thin film material whose refractive index falls within the shaded area in Figure 3. (Luther B.
Ｌｏｃｋｈａｒｔ、 Ｊｒ、 ＆ Ｐ、 Ｋｉｎｇ：
、 Ｊ、、 Ｏｐｔ＋８ｏｃ。Lockhart, Jr. & P. King:
, J., Opt+8oc.
Ａｍ、 ３７． ６８９ （１９４７） ）このと
きの反射率Ｒは
であり、各膜厚（１１，（１２を適当に選ぶことによっ
て反射率は０となる。Am, 37. 689 (1947)) The reflectance R at this time is, and by appropriately selecting each film thickness (11, (12)), the reflectance becomes 0.
２層反射防止コーティングについて具体的ファイバ材料
に対して反射率がセロとな、り得る組合わせを選定する
と次のようになる０反射率がゼロとなる時の膜厚は弐〇
によって計算される。Regarding the two-layer anti-reflection coating, if you select a combination that allows the reflectance to be zero for a specific fiber material, it will be as follows: 0 The film thickness when the reflectance is zero is calculated by 2〇. .
第 ５ 表
ＫＨ２−５，ＫＨ２−６，ＰＩ）Ｆ２゜ＺｎＳ、 Ｚｎ
５ｅ
ｋｙＢｒ、 ＣａＦ２． ＢａＦ２． ＮａＦ、
同 上ＫＲ８−６ＫＣｌ
ＫＨ２−５ＣａＦ２．ＢａＦ２．ＮａＦ、
同 上ＫＣＩ、 ＮａＣｔ
ＣａＩ ＣａＦ２
同 上その他の組合せにおいては反射率を０とす
ることはできないが、適当に膜厚を設定することによっ
て反射率を減少させる効果を与えることができる。Table 5 KH2-5, KH2-6, PI) F2゜ZnS, Zn
5e kyBr, CaF2. BaF2. NaF,
Same as above KR8-6KCl KH2-5CaF2. BaF2. NaF,
Same as above KCI, NaCt CaI CaF2
Although the reflectance cannot be made zero in the above and other combinations, it is possible to reduce the reflectance by appropriately setting the film thickness.
ここに述べた、二層の反射防止膜では第一層としてＫ（
Ｊ、 ＫＢｒ、 ＮａＣＬ等のように比較的水分に対し
て安定でない材料をｋｙ ＣＬ、 Ａｙ Ｂｒ 。In the two-layer antireflection film described here, the first layer is K(
ky CL, Ay Br for materials that are relatively unstable to moisture, such as J, KBr, NaCL, etc.
ＰｂＦ２． ＺｎＳ、 Ｚｎ５ｅ、 Ｇｅ 等のよう
に比較的水分に対して安定な膜でおおうため一層コーテ
ィングよりも安定な構造となり、経時変化の小さい膜と
なる。PbF2. Since it is covered with a film such as ZnS, Zn5e, Ge, etc. that is relatively stable against moisture, it has a more stable structure than a single-layer coating, and the film changes little over time.
反射防止膜を設ける方法としては、駅スパッタ法、イオ
ンブレーティング法、真空蒸着法等を挙けることができ
る。Examples of the method for providing the antireflection film include a stationary sputtering method, an ion blating method, and a vacuum evaporation method.
本発明の光エネルギー伝送用ファイバーの具体的態様を
図面を用いて説明する。Specific embodiments of the optical energy transmission fiber of the present invention will be described with reference to the drawings.
第４図は直径１ＭのｋｙＢｒファイバー１の端面に一層
の反射防止膜２を設けたものである。反射防止膜材料と
しては、ＢａＦ２ およびＣａＦ２ を選ひ、膜厚
は前記０式から、ＢａＦ２の場合１．９ μｍ ％
ＣａＦ２ の場合２．０５ 、ｐｍとした。FIG. 4 shows a kyBr fiber 1 having a diameter of 1M with a single layer of anti-reflection coating 2 provided on the end face. BaF2 and CaF2 were selected as antireflection film materials, and the film thickness was 1.9 μm% for BaF2 from the formula 0 above.
In the case of CaF2, it was set to 2.05, pm.
反射防止膜をつけない場合、その端面での反射率は１０
．６μｍの波長の光に対して１３．６チであるが上記の
薄膜を設けることにょシ反射率はＢａＦ２の場合２．０
％、ＣａＦ２ の場合０．２係に減少する。If no anti-reflection film is applied, the reflectance at the end face is 10
．． For light with a wavelength of 6 μm, the reflectance is 13.6, but by providing the above thin film, the reflectance is 2.0 in the case of BaF2.
%, in the case of CaF2 it decreases to a factor of 0.2.
第５図は本発明の他の実施例であり、１は直径１咽のＡ
ｐＢｒファイバー、３はその端面にコートされた二層の
反射防止膜である薄膜の材料は内層膜としてＢａＦ２．
ＫＣＡ外層膜としてｋｙＢｒを選ぶ。１０，６μｍの
波長の光に対する各膜材料の屈折率はＢａＦ２ １．４
０． ＫＣｔｌ、４５． ＡｙＢｒ Ｌｌ ７で
あり、ＢａＦ２− ＡｙＢｒ。FIG. 5 shows another embodiment of the present invention, in which 1 is a diameter of 1 throat.
pBr fiber, 3 is a two-layer anti-reflection coating coated on its end face.The thin film material is BaF2.3 as an inner layer film.
kyBr is selected as the KCA outer layer membrane. The refractive index of each film material for light with a wavelength of 10.6 μm is BaF2 1.4
0. KCtl, 45. AyBr Ll 7 and BaF2-AyBr.
ＫＣｌ−ｋｙ Ｂｒ の二層の組合せを第３図と同様
の図に点をとると第７図のようになシ、ある二層の膜厚
に関して反射率がＵとなシうることかわかる。ＢａＦｚ
−ＡｆＢｒ 膜の場合、６々の膜厚が１．８９．７
１．２．４４ μｍの時にまたＫＣｌ−Ａｙ Ｂｒ
膜の場合者々’−８２１１ｍ 、 ２−４４μｍの時
に反射率が０となる。If a combination of two layers of KCl-ky Br is plotted on a diagram similar to FIG. 3, it can be seen that the reflectance can be U for a certain thickness of the two layers, as shown in FIG. 7. BaFz
- In the case of AfBr film, the thickness of each film is 1.89.7
At 1.2.44 μm, KCl-Ay Br
In the case of a film, the reflectance becomes 0 when the thickness is -8211 m and 2-44 μm.
上記二つの具体例におい１フアイバー〇もう一方の端面
にも同様の反射防止膜を設けてもよいことはもちろんで
ある。Of course, in the above two specific examples, a similar antireflection film may be provided on the other end face of each fiber.
第１図は空気と媒質の間に、それらと屈折率の異なる薄
膜を単層に設けた図であり、第２図は薄膜を２層に設け
た図であシ、第３図は第２図の場合において光の反射率
を０とし得る範囲を示す図である。第４，５図は、本発
明の光エネルギー伝送用ファイバーの具体例を示す図で
ある。第６図は本発明の実施例における、光の反射率を
０とし得る範囲を示す図である０代理人 内 １）
明
代理人 萩 原 亮 −Figure 1 shows a single layer of a thin film with a different refractive index between air and a medium, Figure 2 shows a two-layer thin film, and Figure 3 shows a two-layer thin film. It is a figure which shows the range in which the reflectance of light can be set to 0 in the case of a figure. FIGS. 4 and 5 are diagrams showing specific examples of optical energy transmission fibers of the present invention. Figure 6 is a diagram showing the range in which the light reflectance can be set to 0 in an embodiment of the present invention.
Akira agent Ryo Hagiwara −
Claims (3)
、その端面に反射防止膜を有することを特徴とする光エ
ネルギー伝送用ファイバー。(1) A fiber for optical energy transmission, characterized in that it is a crystalline 7-eye fiber for optical energy transmission, and has an antireflection coating on its end face.
、 ＡｆＢｒ、 ＫＨ２−５、Ｋ、Ｒ８−６、Ｃｓ Ｂ
ｒ またはＣｅＩ等の材料からなシ、ＮａＦ、 ＢａＦ
２、ＣａＦ２、ＫＢｒ、 ＫＣＩ またはＮａ ＣＬ
からなる膜をその端面に一層設ける特許請求の範囲（１
）の光エネルギー伝送用ファイバー。(2) Crystalline fiber for optical energy transmission is kyCl
, AfBr, KH2-5, K, R8-6, Cs B
r or from materials such as CeI, NaF, BaF
2. CaF2, KBr, KCI or Na CL
Claims (1) in which a film consisting of
) optical energy transmission fiber.
、 ｋｙＢ’ｒ、 ＫＨ２−５、ＫＨ２−６、ＣｓＢ
ｒまたはＣｓＩ等の材料からなシ、第一層としてＮａＦ
、ＢａＦ２、ＣａＦ２、ＫＢｒ、 ＫＣＬ またはＮ
ａＣ１の膜を第二層としてＣｓＩ、ＣｅＢｒ、 ｋｙｃ
Ｌｓ ＡｙＢｒ、 ＫＨ２−５、ＫＨ２−６、ＰＩ）Ｆ
２、−ＺｔＩＳ％ｚｎＳθまたは（至）の膜をその端面
に二層設ける特許請求の範囲（１）の光エネルギー伝送
用ファイバー〇(3) Ayct is a crystalline fiber for optical energy transmission.
, kyB'r, KH2-5, KH2-6, CsB
NaF as the first layer.
, BaF2, CaF2, KBr, KCL or N
CsI, CeBr, kyc using aC1 film as the second layer
Ls AyBr, KH2-5, KH2-6, PI)F
2. The fiber for optical energy transmission according to claim (1), which has two layers of -ZtIS%znSθ or (to) on its end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58092312A JPS59218405A (en) | 1983-05-27 | 1983-05-27 | Fiber for transmission of light energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58092312A JPS59218405A (en) | 1983-05-27 | 1983-05-27 | Fiber for transmission of light energy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59218405A true JPS59218405A (en) | 1984-12-08 |
| JPH058403B2 JPH058403B2 (en) | 1993-02-02 |
Family
ID=14050877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58092312A Granted JPS59218405A (en) | 1983-05-27 | 1983-05-27 | Fiber for transmission of light energy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59218405A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0234233A2 (en) * | 1986-01-18 | 1987-09-02 | Sumitomo Electric Industries Limited | High power optical fiber |
| JP2007293228A (en) * | 2005-11-02 | 2007-11-08 | Fujifilm Corp | Optical device, optical member and light guide |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53105242A (en) * | 1977-02-25 | 1978-09-13 | Mitsubishi Electric Corp | Optical fiber |
| JPS5424650A (en) * | 1977-07-26 | 1979-02-24 | Canon Inc | Optical system |
| JPS5569106A (en) * | 1978-11-20 | 1980-05-24 | Ricoh Co Ltd | Focusing type optical transmission body |
| JPS5593101A (en) * | 1979-01-10 | 1980-07-15 | Agency Of Ind Science & Technol | Reflection preventive film |
| JPS58160901A (en) * | 1982-03-19 | 1983-09-24 | Matsushita Electric Ind Co Ltd | Optical fiber for infrared ray |
| JPS59133506A (en) * | 1983-01-20 | 1984-07-31 | Olympus Optical Co Ltd | Optical quartz fiber for transmitting laser light |
| JPS59147301A (en) * | 1983-02-10 | 1984-08-23 | Matsushita Electric Ind Co Ltd | Reflection preventing film for optical fiber |
-
1983
- 1983-05-27 JP JP58092312A patent/JPS59218405A/en active Granted
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53105242A (en) * | 1977-02-25 | 1978-09-13 | Mitsubishi Electric Corp | Optical fiber |
| JPS5424650A (en) * | 1977-07-26 | 1979-02-24 | Canon Inc | Optical system |
| JPS5569106A (en) * | 1978-11-20 | 1980-05-24 | Ricoh Co Ltd | Focusing type optical transmission body |
| JPS5593101A (en) * | 1979-01-10 | 1980-07-15 | Agency Of Ind Science & Technol | Reflection preventive film |
| JPS58160901A (en) * | 1982-03-19 | 1983-09-24 | Matsushita Electric Ind Co Ltd | Optical fiber for infrared ray |
| JPS59133506A (en) * | 1983-01-20 | 1984-07-31 | Olympus Optical Co Ltd | Optical quartz fiber for transmitting laser light |
| JPS59147301A (en) * | 1983-02-10 | 1984-08-23 | Matsushita Electric Ind Co Ltd | Reflection preventing film for optical fiber |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0234233A2 (en) * | 1986-01-18 | 1987-09-02 | Sumitomo Electric Industries Limited | High power optical fiber |
| EP0426203A2 (en) * | 1986-01-18 | 1991-05-08 | Sumitomo Electric Industries Limited | High power optical fiber |
| JP2007293228A (en) * | 2005-11-02 | 2007-11-08 | Fujifilm Corp | Optical device, optical member and light guide |
| TWI422884B (en) * | 2005-11-02 | 2014-01-11 | Fujifilm Corp | Optical device having connections with optical members through protective medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH058403B2 (en) | 1993-02-02 |
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