JPH06140004A - Electrodeless discharge lamp - Google Patents
Electrodeless discharge lampInfo
- Publication number
- JPH06140004A JPH06140004A JP4300858A JP30085892A JPH06140004A JP H06140004 A JPH06140004 A JP H06140004A JP 4300858 A JP4300858 A JP 4300858A JP 30085892 A JP30085892 A JP 30085892A JP H06140004 A JPH06140004 A JP H06140004A
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- efficiency
- color rendering
- bulb
- electrodeless discharge
- 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
- 229910052779 Neodymium Inorganic materials 0.000 claims abstract description 9
- -1 neodymium halide Chemical class 0.000 claims abstract description 8
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims description 13
- 229910001508 alkali metal halide Inorganic materials 0.000 claims description 4
- 150000008045 alkali metal halides Chemical class 0.000 claims description 4
- 238000009877 rendering Methods 0.000 abstract description 18
- 238000000295 emission spectrum Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 7
- 230000006698 induction Effects 0.000 abstract description 6
- 238000001228 spectrum Methods 0.000 abstract description 6
- 229910052724 xenon Inorganic materials 0.000 abstract description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 2
- 150000004820 halides Chemical class 0.000 abstract 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 abstract 1
- DKSXWSAKLYQPQE-UHFFFAOYSA-K neodymium(3+);triiodide Chemical compound I[Nd](I)I DKSXWSAKLYQPQE-UHFFFAOYSA-K 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ランプ内部に電極を持
たず、外部からの高周波電磁界によってランプ内部の発
光物質を励起発光させる無電極放電ランプに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrodeless discharge lamp which has no electrodes inside the lamp and excites and emits a luminescent substance inside the lamp by a high frequency electromagnetic field from the outside.
【０００２】[0002]
【従来の技術】従来より無電極放電ランプは小型で高出
力、長寿命といった特徴を持つため、例えば特開昭６２
−４３０５８号公報に開示されたランプのように各所で
研究開発されている。また、特開平３−１５２８５２号
公報に開示されたランプのように、水銀を封入していな
いために色純度が高い、色設計の自由度が上がる、発光
物質の発光効率が高くなる等の長所を有するものもあ
る。2. Description of the Related Art Conventionally, electrodeless discharge lamps are small in size and have high output and long life.
It is being researched and developed in various places like the lamp disclosed in Japanese Patent Publication No. 43058. Further, unlike the lamp disclosed in Japanese Patent Application Laid-Open No. 3-152852, since mercury is not enclosed, the color purity is high, the degree of freedom in color design is increased, and the luminous efficiency of the light emitting substance is increased. Some have.
【０００３】上記特開平３−１５２８５２号公報に開示
された無電極放電ランプでは、放電ガスとしてキセノン
を用い、発光物質としてＬｉＩ，ＮａＩ，ＴｌＩ，Ｉｎ
Ｉ等を封入し、これらの発光物質が放射する単色の線ス
ペクトルを組み合わせ、その発光強度のバランスをとる
ことにより白色光を得ている。In the electrodeless discharge lamp disclosed in JP-A-3-152852, xenon is used as the discharge gas, and LiI, NaI, TlI, In are used as the light emitting substance.
White light is obtained by encapsulating I, etc., combining the monochromatic line spectra emitted by these luminescent substances, and balancing the emission intensities thereof.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、これら
の発光物質を使用した場合、演色特性が高くなるように
設計を行なうと、視感度係数の高い領域で発光するＴｌ
やＮａの強度を高められないためにランプ効率を高くで
きない。逆にランプ効率が高くなるように設計を行なう
と演色特性が低下してしまう。また、光学設計において
有利となるようにバルブを小型化すると、効率が下がっ
てしまう等の欠点を持っている。However, when these luminescent materials are used, if Tl is designed to have a high color rendering property, Tl which emits light in a region having a high luminosity factor is obtained.
The lamp efficiency cannot be increased because the strength of Na and Na cannot be increased. On the contrary, if the design is performed so that the lamp efficiency is high, the color rendering characteristics are deteriorated. Further, if the valve is downsized so as to be advantageous in optical design, there is a drawback that efficiency is lowered.
【０００５】本発明は上記欠点に鑑みなされたもので、
その目的とするところは、高効率で且つ高演色特性を有
し、しかも小型化が可能な無電極放電ランプを提供する
ことにある。The present invention has been made in view of the above drawbacks.
An object of the invention is to provide an electrodeless discharge lamp which has high efficiency and high color rendering properties and can be downsized.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するため
本発明は、透光性を有するバルブ内に封入された発光物
質を高周波電磁界によって励起発光させる無電極放電ラ
ンプにおいて、前記発光物質をハロゲン化ネオジウムを
含む構成としたことを特徴とするものであり、また、前
記発光物質にハロゲン化アルカリ金属を加えたものであ
る。In order to solve the above-mentioned problems, the present invention provides an electrodeless discharge lamp which excites and emits a light-emitting substance enclosed in a light-transmitting bulb by a high-frequency electromagnetic field. The present invention is characterized by including neodymium halide, and is obtained by adding an alkali metal halide to the light emitting material.
【０００７】[0007]
【作用】従来の単色線スペクトルを組み合わせたランプ
と比較して、ハロゲン化ネオジウムは発光スペクトルが
視感度曲線に近いために、本発明によれば、放射の視感
効率が高くなると共に、多数の線スペクトルを可視全域
にわたって放射するので演色特性も良好となる。また、
従来の単色線スペクトルを組み合わせたランプより更に
小型化した方が効率が向上するという結果が得られた。According to the present invention, since the emission spectrum of neodymium halide is close to the luminous efficiency curve as compared with the conventional lamp in which the monochromatic line spectrum is combined, the luminous efficiency of radiation is increased and a large number of Since the line spectrum is radiated over the entire visible range, the color rendering characteristics are also good. Also,
It was found that the efficiency is improved when the lamp is made smaller than the conventional lamp combining the monochromatic line spectrum.
【０００８】[0008]
【実施例】以下、本発明を実施例に基づいて詳細に説明
する。EXAMPLES The present invention will be described in detail below based on examples.
【０００９】図１は本発明に係る無電極放電ランプを用
いた点灯装置を示す概略図である。本発明に係る無電極
放電ランプを構成するバルブ１は透光性を有する石英ガ
ラス等の材料で気密に形成され、その形状は球形であ
る。バルブ１の内部には、後述の発光物質に加えキセノ
ンガス１００Torrが封入してある。バルブ１の外周には
誘導コイル２が巻回され、その両端は高周波発生装置３
に接続されている。高周波発生装置３は、高周波を発生
する高周波発生器３ａと、高周波発生器３ａの出力を増
幅する増幅器３ｂと、増幅器３ｂと誘導コイル２の間に
挿入されインピーダンスを整合させるマッチング回路部
３ｃとにより構成される。FIG. 1 is a schematic view showing a lighting device using an electrodeless discharge lamp according to the present invention. The bulb 1 constituting the electrodeless discharge lamp according to the present invention is formed airtight with a material such as quartz glass having a light-transmitting property, and has a spherical shape. The bulb 1 is filled with 100 Torr of xenon gas in addition to the luminescent material described later. An induction coil 2 is wound around the outer periphery of the valve 1, and both ends of the induction coil 2 are high-frequency generators 3.
It is connected to the. The high frequency generator 3 includes a high frequency generator 3a that generates a high frequency, an amplifier 3b that amplifies the output of the high frequency generator 3a, and a matching circuit unit 3c that is inserted between the amplifier 3b and the induction coil 2 to match the impedance. Composed.
【００１０】ここで、誘導コイル２のターン数は特に限
定されるものではなく、１ターン以上巻回されていれば
よい。また、キセノンガスの代わりに他の１種類のガス
あるいは２種類以上の混合ガスを用いても勿論よく、ガ
ス圧も１００Torrに限定されるものではない。さらに、
バルブ１の形状も球形に限定されるものではなく、どの
ような形状でもよい。また、蒸発温度の低いＨｇＩをバ
ルブ１の中に封入すると、管壁近傍に多量の遊離ヨウ素
を供給することができる。この遊離ヨウ素は、Ｎｄのバ
ルブ１への溶け込みを防止する役割を果たす。Here, the number of turns of the induction coil 2 is not particularly limited and may be one or more turns. In addition, instead of the xenon gas, another type of gas or a mixed gas of two or more types may be used, and the gas pressure is not limited to 100 Torr. further,
The shape of the bulb 1 is not limited to the spherical shape, and may be any shape. Further, when HgI having a low evaporation temperature is enclosed in the valve 1, a large amount of free iodine can be supplied near the tube wall. This free iodine plays a role of preventing Nd from melting into the bulb 1.
【００１１】次に、上述のように構成された無電極放電
ランプ点灯装置において、バルブ１の外径あるいはバル
ブ１内に封入する発光物質を変えて製作したランプを用
いて実験した結果を説明する。 （実施例１）バルブ１の外径を２３mmとし、バルブ１内
にハロゲン化ネオジウムＮｄＩ3 を１５mg、ＨｇＩを２
mg封入したランプでは、入力２５０Ｗで発光効率が５２
lm／Ｗ、平均演色評価数が７７であった。また、同じく
外径２３mmのバルブ１を用い、ＮｄＩ3 を１５mg封入し
たランプでは、入力２５０Ｗで発光効率が５０lm／Ｗで
平均演色評価数が８０であった。Next, a description will be given of the results of an experiment using the electrodeless discharge lamp lighting device constructed as described above, using a lamp manufactured by changing the outer diameter of the bulb 1 or the luminescent substance enclosed in the bulb 1. . (Example 1) The outer diameter of the valve 1 was set to 23 mm, and 15 mg of neodymium halide NdI 3 and 2 HgI were stored in the valve 1.
With a mg sealed lamp, the luminous efficiency is 52 at an input of 250W.
The lm / W was 77 and the average color rendering index was 77. Further, in the same lamp using the bulb 1 having an outer diameter of 23 mm and enclosing 15 mg of NdI 3 , the luminous efficiency was 50 lm / W at an input of 250 W and the average color rendering index was 80.
【００１２】同じ条件で発光物質のみ従来例で述べたも
のを用いた場合の特性を２つ比較例として挙げる。効率
重視型のＮａＩ−ＴｌＩ−ＩｎＩを封入した場合、発光
効率は実施例１と同様５０lm／Ｗであるが、平均演色評
価数は５３と低い。演色特性重視型のＬｉＩ−ＮａＩ−
ＴｌＩ−ＩｎＩを封入した場合には、平均演色評価数は
８３と良い値を示すが発光効率が３８lm／Ｗと低い。Two comparative examples will be given of the characteristics when only the light-emitting substance described in the conventional example is used under the same conditions. When the efficiency-oriented NaI-TlI-InI is encapsulated, the luminous efficiency is 50 lm / W as in Example 1, but the average color rendering index is as low as 53. LiI-NaI- of the type that emphasizes color rendering properties
When TlI-InI is enclosed, the average color rendering index is 83, which is a good value, but the luminous efficiency is low at 38 lm / W.
【００１３】このように、発光物質としてＮｄＩ3 を用
いることにより、発光効率及び演色特性が共に良好なラ
ンプを提供できた。As described above, by using NdI 3 as the light emitting substance, it was possible to provide a lamp having good luminous efficiency and good color rendering properties.
【００１４】なお、図２は実施例１すなわちＮｄＩ3 を
封入したランプの発光スペクトルを示し、図３はＮａＩ
−ＴｌＩ−ＩｎＩを封入した場合、図４はＬｉＩ−Ｎａ
Ｉ−ＴｌＩ−ＩｎＩを封入した場合の発光スペクトルを
それぞれ示す。 （実施例２）本実施例では、ＮｄＩ3 １５mgに加え、ハ
ロゲン化アルカリ金属としてＣｓＩを封入したことを特
徴とするもので、他の構成は前記実施例と同様である。
この実施例では、ＣｓがＮｄの蒸発を促進するために効
率がさらに向上し、ＣｓＩを５mg封入することにより、
発光効率が６３lm／Ｗで平均演色評価数が８３となっ
た。FIG. 2 shows the emission spectrum of Example 1, that is, the lamp containing NdI 3 , and FIG. 3 shows NaI.
When -TlI-InI is enclosed, FIG. 4 shows LiI-Na.
The respective emission spectra when I-TlI-InI is enclosed are shown. (Embodiment 2) This embodiment is characterized in that, in addition to 15 mg of NdI 3 , CsI was filled as an alkali metal halide, and the other constitutions were the same as the above-mentioned embodiment.
In this example, the efficiency was further improved because Cs promoted the evaporation of Nd, and by encapsulating 5 mg of CsI,
The luminous efficiency was 63 lm / W and the average color rendering index was 83.
【００１５】また、ＮｄＩ3 を５mg、ＣｓＩを７mg、Ｄ
ｙＩ3 を９mg封入したランプでは、発光効率６０lm／Ｗ
で平均演色評価数が８９の結果が得られた。さらにＮｄ
Ｉ3１５mg、ＣｓＩを５mg、ＬｉＩを１０mg封入した場
合にはＬｉの赤色発光が加わり、発光効率は５８lm／Ｗ
と若干低下したが平均演色評価数は９１となった。NdI 3 is 5 mg, CsI is 7 mg, and D
With a lamp containing 9 mg of yI 3 , the luminous efficiency is 60 lm / W.
The average color rendering index was 89. Furthermore Nd
When 15 mg of I 3, 15 mg of CsI and 10 mg of LiI are enclosed, red light emission of Li is added and the luminous efficiency is 58 lm / W.
The average color rendering index was 91.
【００１６】このように、ＮｄＩ3 にハロゲン化アルカ
リ金属を加えることにより、さらに特性の改善が図れ
た。なお、図５〜図７は本実施例に係るランプの発光ス
ペクトルを示すものであり、図５はＮｄＩ3 とＣｓＩを
封入した場合、図６はＮｄＩ3とＣｓＩとＤｙＩ3 を封
入した場合、図７はＮｄＩ3 とＣｓＩとＬｉＩを封入し
た場合をそれぞれ示す。 （実施例３）バルブ１の外径を２３mmから１８mmに縮小
すると、例えば、従来例のＮａＩ−ＴｌＩ−ＩｎＩを封
入したランプでは、効率が約５０％低下し２５lm／Ｗに
なったが、本実施例のようにＮｄＩ3 を１５mg、ＣｓＩ
を５mg封入したランプでは発光効率は７８lm／Ｗと向上
し、平均演色評価数は７６となった。As described above, the characteristics were further improved by adding the alkali metal halide to NdI 3 . 5 to 7 show the emission spectra of the lamp according to this example. FIG. 5 shows the case where NdI 3 and CsI are enclosed, and FIG. 6 shows the case where NdI 3 , CsI and DyI 3 are enclosed. FIG. 7 shows the case where NdI 3 , CsI, and LiI are enclosed, respectively. (Embodiment 3) When the outer diameter of the bulb 1 is reduced from 23 mm to 18 mm, for example, the efficiency of the conventional lamp having NaI-TlI-InI enclosed is reduced by about 50% to 25 lm / W. As in the example, 15 mg of NdI 3 , CsI
The luminous efficiency of the lamp in which 5 mg was enclosed was 78 lm / W, and the average color rendering index was 76.
【００１７】このように、バルブ外径を縮小すると発光
効率の向上が図れることがわかる。従って、本発明によ
ればランプの発光部分が小さくなり点光源に近づくと共
に、発光効率が向上し、光学設計上極めて有利となり、
装置の小型化が可能となる。As described above, it is understood that the luminous efficiency can be improved by reducing the outer diameter of the bulb. Therefore, according to the present invention, the light emitting portion of the lamp becomes smaller and approaches the point light source, and the light emitting efficiency is improved, which is extremely advantageous in optical design,
The size of the device can be reduced.
【００１８】[0018]
【発明の効果】本発明は上記のように、透光性を有する
バルブ内に封入された発光物質を高周波電磁界によって
励起発光させる無電極放電ランプにおいて、前記発光物
質をハロゲン化ネオジウムを含む構成としたことによ
り、発光スペクトルが視感度曲線に近いハロゲン化ネオ
ジウムを利用することになり、放射の視感効率が高くな
ると共に、多数の線スペクトルを可視全域にわたって放
射するために演色特性も良好となり、また、ランプを小
型化できるという利点を有するものである。As described above, the present invention is an electrodeless discharge lamp which excites and emits a luminescent substance enclosed in a translucent bulb by a high frequency electromagnetic field, wherein the luminescent substance contains neodymium halide. As a result, neodymium halide, whose emission spectrum is close to the luminosity curve, is used, the luminous efficiency of radiation is increased, and the color rendering characteristics are also improved because a large number of line spectra are radiated over the entire visible range. Also, it has an advantage that the lamp can be miniaturized.
【図１】本発明に係る無電極放電ランプを用いた点灯装
置を示す概略図である。FIG. 1 is a schematic view showing a lighting device using an electrodeless discharge lamp according to the present invention.
【図２】ＮｄＩ3 を封入した本発明に係る無電極放電ラ
ンプの発光スペクトルを示すものである。FIG. 2 shows an emission spectrum of the electrodeless discharge lamp according to the present invention in which NdI 3 is enclosed.
【図３】ＮａＩ−ＴｌＩ−ＩｎＩを封入した従来例ラン
プの発光スペクトルを示すものである。FIG. 3 shows an emission spectrum of a conventional lamp in which NaI-TlI-InI is enclosed.
【図４】ＬｉＩ−ＮａＩ−ＴｌＩ−ＩｎＩを封入した従
来例ランプの発光スペクトルを示すものである。FIG. 4 shows an emission spectrum of a conventional example lamp in which LiI-NaI-TlI-InI is enclosed.
【図５】ＮｄＩ3 とＣｓＩを封入した本発明に係るラン
プの発光スペクトルを示すものである。FIG. 5 shows an emission spectrum of a lamp according to the present invention in which NdI 3 and CsI are enclosed.
【図６】ＮｄＩ3 とＣｓＩとＤｙＩ3 を封入した本発明
に係るランプの発光スペクトルを示すものである。6 shows the emission spectrum of the lamp according to the present invention encapsulating NdI 3 and CsI and DyI 3.
【図７】ＮｄＩ3 とＣｓＩとＬｉＩを封入した本発明に
係るランプの発光スペクトルを示すものである。FIG. 7 shows an emission spectrum of a lamp according to the present invention in which NdI 3 , CsI and LiI are enclosed.
１ バルブ ２ 誘導コイル ３ 高周波発生装置 ３ａ 高周波発生器 ３ｂ 増幅器 ３ｃ マッチング回路部 1 valve 2 induction coil 3 high frequency generator 3a high frequency generator 3b amplifier 3c matching circuit section
───────────────────────────────────────────────────── フロントページの続き (72)発明者 請川 信 大阪府門真市大字門真1048番地松下電工株 式会社内 (72)発明者 小谷 幹 大阪府門真市大字門真1048番地松下電工株 式会社内 (72)発明者 住友 卓 大阪府門真市大字門真1048番地松下電工株 式会社内 (72)発明者 斉見 元洋 大阪府門真市大字門真1048番地松下電工株 式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shin Ogawa, 1048, Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Inventor Taku Sumitomo 1048 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Inventor Motohiro Hitomi 1048, Kadoma, Kadoma City, Osaka Matsushita Electric Works Co., Ltd.
Claims (2)
光物質を高周波電磁界によって励起発光させる無電極放
電ランプにおいて、前記発光物質をハロゲン化ネオジウ
ムを含む構成としたことを特徴とする無電極放電ラン
プ。1. An electrodeless discharge lamp that excites and emits a light-emitting substance enclosed in a translucent bulb by a high-frequency electromagnetic field, wherein the light-emitting substance contains neodymium halide. Electrode discharge lamp.
金属を含む請求項１記載の無電極放電ランプ。2. The electrodeless discharge lamp according to claim 1, further comprising an alkali metal halide in addition to the light emitting substance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4300858A JP3064125B2 (en) | 1992-09-11 | 1992-11-11 | Electrodeless discharge lamp |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4-243322 | 1992-09-11 | ||
| JP24332292 | 1992-09-11 | ||
| JP4300858A JP3064125B2 (en) | 1992-09-11 | 1992-11-11 | Electrodeless discharge lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06140004A true JPH06140004A (en) | 1994-05-20 |
| JP3064125B2 JP3064125B2 (en) | 2000-07-12 |
Family
ID=26536201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4300858A Expired - Fee Related JP3064125B2 (en) | 1992-09-11 | 1992-11-11 | Electrodeless discharge lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3064125B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113363132A (en) * | 2021-05-14 | 2021-09-07 | 中国科学院上海光学精密机械研究所 | Electrodeless millimeter diameter xenon lamp and drive source |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4244371B2 (en) | 2000-08-30 | 2009-03-25 | フジノン株式会社 | Tripod adapter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5539190A (en) * | 1978-09-11 | 1980-03-18 | Gte Laboratories Inc | Electrodeless light source having rare earth metals molecular connector |
-
1992
- 1992-11-11 JP JP4300858A patent/JP3064125B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5539190A (en) * | 1978-09-11 | 1980-03-18 | Gte Laboratories Inc | Electrodeless light source having rare earth metals molecular connector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113363132A (en) * | 2021-05-14 | 2021-09-07 | 中国科学院上海光学精密机械研究所 | Electrodeless millimeter diameter xenon lamp and drive source |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3064125B2 (en) | 2000-07-12 |
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