JPH0614568B2 - Method of operating chemically excited iodine laser device - Google Patents
Method of operating chemically excited iodine laser deviceInfo
- Publication number
- JPH0614568B2 JPH0614568B2 JP8365187A JP8365187A JPH0614568B2 JP H0614568 B2 JPH0614568 B2 JP H0614568B2 JP 8365187 A JP8365187 A JP 8365187A JP 8365187 A JP8365187 A JP 8365187A JP H0614568 B2 JPH0614568 B2 JP H0614568B2
- Authority
- JP
- Japan
- Prior art keywords
- iodine
- excited
- chlorine gas
- oxygen
- operating
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/095—Processes or apparatus for excitation, e.g. pumping using chemical or thermal pumping
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lasers (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、パルス状の光出力を得ることができる化学励
起ヨウ素レーザ装置の動作方法に関するものである。The present invention relates to a method of operating a chemically excited iodine laser device capable of obtaining a pulsed light output.
最近、化学励起ヨウ素レーザ(chemically pumpediodine
laser:CPIL)の研究がなされ、1.315μｍ波長の高出力
レーザ発振に成功している。このCPILはレーザ発振のた
めのポンピング源として電気エネルギを必要とせず、化
学燃料でレーザ発振でき比較的簡単な構造であるという
利点を有している。Recently, chemically pumped iodine laser
laser: CPIL) has been researched and succeeded in high power laser oscillation of 1.315 μm wavelength. This CPIL has an advantage that it does not require electric energy as a pumping source for laser oscillation and can relatively easily oscillate with a chemical fuel and has a relatively simple structure.
CPILの基本原理は次式によるエネルギ移乗反応である。The basic principle of CPIL is the energy transfer reaction according to the following equation.
O2 *(1Δ)+I(2P3/2)O2(3Σ)+I* 2P1/2) …(1) (1)式で左辺から右辺への反応が速いため、効率良くポ
ンピングが行われI*(2P1/2)が生成する。このI*(2P1/2)
がレーザ媒質となり、波長1.315μｍレーザ光を発生す
る。ここで最も重要なことは、ポンピング源であるO2 *(
1Δ)をいかに効率よく発生するかである。現在知られて
いる最も効率のよい方法は、次式で示す過酸化水素の分
解反応である。O 2 * ( 1 Δ) + I ( 2 P 3/2 ) O 2 ( 3 Σ) + I * 2 P 1/2 ) ... (1) Since the reaction from the left side to the right side is fast in equation (1), Pumping is performed efficiently and I * ( 2 P 1/2 ) is generated. This I * ( 2 P 1/2 )
Serves as a laser medium to generate laser light having a wavelength of 1.315 μm. The most important thing here is the pumping source O 2 * (
1 Δ) is how efficiently it is generated. The most efficient method currently known is the decomposition reaction of hydrogen peroxide represented by the following formula.
H2O2＋ 2NaOH＋ Cl2→O2 *＋2H2O＋2NaCl …(2) 過酸化水素水溶液に水酸化ナトリウム溶液を加えアルカ
リ性にした上で、この混合溶液中に塩素ガスをバブリン
グすることによりO2 *(1Δ)は容易に発生する。H 2 O 2 + 2NaOH + Cl 2 → O 2 * + 2H 2 O + 2NaCl (2) Sodium hydroxide solution is added to the hydrogen peroxide solution to make it alkaline, and chlorine gas is bubbled into this mixed solution to produce O 2 * ( 1 Δ) easily occurs.
従来、励起酸素発生器と、水蒸気トラツプと、レーザ共
振器と、真空ポンプとを主構成要素とする化学励起ヨウ
素レーザ装置が既に知られている。Conventionally, a chemically excited iodine laser device having an excited oxygen generator, a water vapor trap, a laser resonator, and a vacuum pump as main components has already been known.
従来の化学励起ヨウ素レーザ装置においては、数Torr程
度の減圧の塩素ガスを定常的に流し、連続波出力を得て
いたため、大きなレーザ出力を得るためには、排気量の
大きな真空ポンプを必要としていた。In a conventional chemically excited iodine laser device, a chlorine gas at a reduced pressure of about several Torr was constantly flowed to obtain a continuous wave output, and thus a large pumping vacuum pump is required to obtain a large laser output. I was there.
本発明は上記の点に鑑みなされたもので、圧力容器内に
貯めていた塩素ガスを、一気に励起酸素発生器内に注入
することにより、比較的小さな排気量の真空ポンプで大
出力のパルス状のレーザ光を得ることができる動作方法
の提供を目的とするものである。The present invention has been made in view of the above points, by injecting chlorine gas stored in a pressure vessel into the excited oxygen generator at once, a pulsed output of a large output with a vacuum pump having a relatively small displacement. It is an object of the present invention to provide an operation method capable of obtaining the laser light of.
本発明の化学励起ヨウ素レーザ装置の動作方法は、図面
で参照して説明すれば、アルカリ性過酸化水素水溶液と
塩素ガスとの化学反応により励起酸素を発生させる酸素
発生器１と、励起酸素中の水蒸気を冷却することにより
氷として凝集させて除去する水蒸気トラツプ１０と、励
起酸素とヨウ素とを接触させ励起酸素からヨウ素へのエ
ネルギ移乗反応によりヨウ素を励起しレーザ発振を得る
レーザ共振器１１と、上記の各機器内を減圧状態に保持
する真空ポンプ１２とを主構成機器とする化学励起ヨウ
素レーザ装置を運転するにあたり、圧力容器２内に貯め
た塩素ガスを、閉止していたバルブ４を一瞬に開放する
ことにより、一気に酸素発生器１に注入し、パルス状の
光出力を得ることを特徴としている。A method of operating a chemically excited iodine laser device of the present invention will be described with reference to the drawings. An oxygen generator 1 for generating excited oxygen by a chemical reaction between an alkaline hydrogen peroxide aqueous solution and chlorine gas, and A steam trap 10 that is condensed and removed as ice by cooling the steam, and a laser resonator 11 that brings excited oxygen and iodine into contact with each other to excite iodine by energy transfer reaction from excited oxygen to obtain laser oscillation; When operating the chemically excited iodine laser device whose main constituent device is the vacuum pump 12 which holds the inside of each of the above devices in a decompressed state, the chlorine gas stored in the pressure vessel 2 is closed for a moment by the valve 4 that has been closed. It is characterized in that the oxygen generator 1 is injected into the oxygen generator 1 at a stroke to obtain a pulsed light output.
酸素発生器１内に供給されたアルカリ性過酸化水素水溶
液と、塩素ガスとが接触して、前述の反応式(2)により
励起酸素が発生し、水蒸気トラツプ１０で冷却されて、
水蒸気が除去される。水蒸気トラツプ１０を出た励起酸
素はレーザ共振器１１へ送られ波長 1.315μｍのレーザ
光を発生する。The alkaline hydrogen peroxide solution supplied into the oxygen generator 1 and chlorine gas come into contact with each other, excited oxygen is generated by the above-mentioned reaction formula (2), and cooled by the steam trap 10,
Water vapor is removed. The excited oxygen emitted from the water vapor trap 10 is sent to the laser resonator 11 to generate a laser beam having a wavelength of 1.315 μm.
塩素ガスの供給に際して、塩素ガス圧力容器２内に貯め
られていた高圧の塩素ガスを、閉止していたバルブ４を
一瞬に開放することにより、一気に酸素発生器１内に注
入し、パルス状に高圧塩素ガスを送り込んだ後、バルブ
４を閉止する。When the chlorine gas is supplied, the high-pressure chlorine gas stored in the chlorine gas pressure vessel 2 is instantly injected into the oxygen generator 1 by opening the closed valve 4 for a moment, and is pulsed. After feeding the high pressure chlorine gas, the valve 4 is closed.
以下、図面を参照して本発明の好適な実施例を詳細に説
明する。ただしこの実施例に記載されている構成機器の
形状、その相対配置などは、とくに特定的な記載がない
限りは、本発明の範囲をそれらのみに限定する趣旨のも
のではなく、単なる説明例にすぎない。Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. However, the shape of the constituent devices described in this embodiment, the relative arrangement thereof, and the like, unless otherwise specified, are not intended to limit the scope of the present invention only to them, and are merely illustrative examples. Only.
実施例１ 第１図において、１は酸素発生器、２は塩素ガス圧力容
器、３は塩素ガス噴出管（バブラー）、４、５、６、７
はバルブ、８はアルカリ性過酸化水素水溶液供給管、１
０は水蒸気トラツプ、１１はレーザ共振器、１２は真空
ポンプである。Example 1 In FIG. 1, 1 is an oxygen generator, 2 is a chlorine gas pressure vessel, 3 is a chlorine gas injection pipe (bubbler), 4, 5, 6, 7
Is a valve, 8 is an alkaline hydrogen peroxide solution supply pipe, 1
Reference numeral 0 is a steam trap, 11 is a laser resonator, and 12 is a vacuum pump.
上記のように構成された装置において、酸素発生器１内
に供給されたアルカリ性過酸化水素水溶液と、塩素ガス
圧力容器２から供給された塩素ガスとが接触して、前述
の反応式(2)により励起酸素が発生し、水蒸気トラツプ
１０で冷媒により冷却されて、励起酸素に含まれている
水蒸気が水蒸気トラツプ内の導管の内表面に氷として凝
集する。冷媒は、一例としてアルコールドライアイス
（アルコールをドライアイスで冷却したもの）などが用
いられる。In the apparatus configured as described above, the alkaline hydrogen peroxide aqueous solution supplied into the oxygen generator 1 and the chlorine gas supplied from the chlorine gas pressure vessel 2 come into contact with each other, and the above reaction formula (2) Due to this, excited oxygen is generated and is cooled by the refrigerant in the steam trap 10, and the steam contained in the excited oxygen is condensed as ice on the inner surface of the conduit in the steam trap. As the refrigerant, for example, alcohol dry ice (alcohol cooled with dry ice) or the like is used.
塩素ガスの供給に際しては、塩素ガス圧力容器２内に貯
めていた高圧の塩素ガスを、閉止していたバルブ４を一
瞬に開放することにより、一気に酸素発生器１内に注入
し、パルス状に高圧塩素ガスを送り込んだ後、バルブ４
を閉止する。以下、上記のバルブ操作を繰り返す。When supplying the chlorine gas, the high-pressure chlorine gas stored in the chlorine gas pressure vessel 2 is instantly injected into the oxygen generator 1 by opening the closed valve 4 at once, and the chlorine gas is pulsed. After feeding high-pressure chlorine gas, valve 4
Close. Hereinafter, the above valve operation is repeated.
このようにして水蒸気を除去された励起酸素は、パルス
状にレーザ共振器１１へ送られ、パルス状の光出力が取
り出される。The excited oxygen from which water vapor has been removed in this way is sent to the laser resonator 11 in a pulsed form, and a pulsed optical output is extracted.
実施例２ 本例は第２図に示すように、レーザ共振器１１と真空ポ
ンプ１２との間にバツフアータンク１３を設けたもの
で、真空ポンプ１２でバツフアータンク１３内を真空に
しておくように構成したものである。本例では真空ポン
プの容量をより小さくすることができるという利点があ
る。他の構成は実施例１と同様である。Embodiment 2 In this embodiment, as shown in FIG. 2, a buffer tank 13 is provided between a laser resonator 11 and a vacuum pump 12. The vacuum pump 12 keeps the inside of the buffer tank 13 vacuum. It is configured as follows. This example has the advantage that the capacity of the vacuum pump can be made smaller. Other configurations are similar to those of the first embodiment.
本発明は上記のように、バルブの開閉により、酸素発生
器内にパルス状に高圧塩素ガスを送り込むように構成さ
れているので、比較的小さな排気量の真空ポンプで大出
力のパルス状のレーザ光を得ることができるという効果
を有している。As described above, according to the present invention, by opening and closing the valve, the high-pressure chlorine gas is sent into the oxygen generator in a pulsed manner. It has an effect that light can be obtained.
第１図は本発明の化学励起ヨウ素レーザ装置の動作方法
を実施する装置の一例を示す説明図、第２図は本発明の
方法を実施する装置の他の例を示す説明図である。 １……酸素発生器、２……塩素ガス圧力容器、３……塩
素ガス噴出管、４、５、６、７……バルブ、８……アル
カリ性過酸化水素水溶液供給管、１０……水蒸気トラツ
プ、１１……レーザ共振器、１２……真空ポンプ、１３
……バツフアータンクFIG. 1 is an explanatory view showing an example of an apparatus for carrying out the method of operating the chemically excited iodine laser device of the present invention, and FIG. 2 is an explanatory view showing another example of an apparatus for carrying out the method of the present invention. 1 ... Oxygen generator, 2 ... Chlorine gas pressure vessel, 3 ... Chlorine gas ejection pipe, 4, 5, 6, 7 ... Valve, 8 ... Alkaline hydrogen peroxide aqueous solution supply pipe, 10 ... Steam trap , 11 ... Laser resonator, 12 ... Vacuum pump, 13
...... Buffer tank
───────────────────────────────────────────────────── フロントページの続き (72)発明者 藤井 洋郎 兵庫県神戸市中央区東川崎町３丁目１番１ 号 川崎重工業株式会社神戸工場内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiroo Fujii 3-1-1 Higashikawasaki-cho, Chuo-ku, Kobe-shi, Hyogo Kawasaki Heavy Industries Ltd. Kobe factory
Claims (1)
の化学反応により励起酸素を発生させる酸素発生器と、
励起酸素中の水蒸気を冷却することにより氷として凝集
させて除去する水蒸気トラツプと、励起酸素とヨウ素と
を接触させ励起酸素からヨウ素へのエネルギ移乗反応に
よりヨウ素を励起しレーザ発振を得るレーザ共振器と、
上記の各機器内を減圧状態に保持する真空ポンプとを主
構成機器とする化学励起ヨウ素レーザ装置を運転するに
あたり、圧力容器内に貯めた塩素ガスを、閉止していた
バルブを一瞬に開放することにより、一気に酸素発生器
に注入し、パルス状の光出力を得ることを特徴とする化
学励起ヨウ素レーザ装置の動作方法。1. An oxygen generator for generating excited oxygen by a chemical reaction between an alkaline aqueous hydrogen peroxide solution and chlorine gas,
A laser resonator that obtains laser oscillation by exciting iodine by an energy transfer reaction from excited oxygen to iodine by contacting excited oxygen and iodine with a trap of water vapor that is condensed and removed as ice by cooling the steam in excited oxygen When,
When operating the chemically excited iodine laser device whose main constituent equipment is a vacuum pump that holds the inside of each of the above equipment in a depressurized state, chlorine gas stored in the pressure vessel is opened instantaneously with the closed valve. In this way, the method for operating a chemically excited iodine laser device is characterized in that it is injected into the oxygen generator at a stretch to obtain a pulsed light output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8365187A JPH0614568B2 (en) | 1987-04-03 | 1987-04-03 | Method of operating chemically excited iodine laser device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8365187A JPH0614568B2 (en) | 1987-04-03 | 1987-04-03 | Method of operating chemically excited iodine laser device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63249387A JPS63249387A (en) | 1988-10-17 |
| JPH0614568B2 true JPH0614568B2 (en) | 1994-02-23 |
Family
ID=13808354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8365187A Expired - Fee Related JPH0614568B2 (en) | 1987-04-03 | 1987-04-03 | Method of operating chemically excited iodine laser device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614568B2 (en) |
-
1987
- 1987-04-03 JP JP8365187A patent/JPH0614568B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63249387A (en) | 1988-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Vagin et al. | Pulsed chemical oxygen—iodine laser with bulk formation of iodine atoms by an electric discharge | |
| JP2000357832A (en) | Chemical oxygen iodine laser system | |
| US7023895B2 (en) | Integrated dual source recycling system for chemical laser weapon systems | |
| Azyazov et al. | Jet O2 (1Δ) generator with oxygen pressures up to 13.3 kPa | |
| JPH0614568B2 (en) | Method of operating chemically excited iodine laser device | |
| US7035307B2 (en) | Recycling system for a chemical laser system | |
| US4249143A (en) | Xenon fluoride and mercury chloride photodissociation lasers | |
| JPH0797677B2 (en) | Chemically excited iodine laser device | |
| von Buelow et al. | Oxygen-iodine lasers for industrial applications | |
| US6674781B1 (en) | Method and system for fueling a closed cycle chemical oxygen iodine laser | |
| JP2575922B2 (en) | Iodine laser device and iodine laser resonator | |
| Schmiedberger et al. | Novel concept of electric discharge oxygen-iodine laser | |
| Fang et al. | A 2-kW COIL with a square pipe-array JSOG and nitrogen buffer gas | |
| JPH0614567B2 (en) | Excited oxygen generator | |
| Bohn | Chemical oxygen-iodine laser: achievements, problems, and future perspectives | |
| US3982209A (en) | Combustion-electric laser | |
| JPH0416955B2 (en) | ||
| JPH0415973A (en) | Exciting oxygen generating method and device | |
| Suzuki et al. | High-pressure pulsed COIL assisted with an instantaneous production of atomic iodine | |
| JPH07254741A (en) | Chemically excited oxygen iodine laser device | |
| JPH0416956B2 (en) | ||
| JPH0614569B2 (en) | Excited oxygen generation method | |
| Guoha | Advances in high-power chemical lasers | |
| Zuev et al. | Photodissociation XeF laser operating with an efficiency of about 1% | |
| JPH03109783A (en) | Iodine laser device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |