DE1255215B - Selectively fluorescent material for use in an optical transmitter or amplifier - Google Patents

Selectively fluorescent material for use in an optical transmitter or amplifier

Info

Publication number
DE1255215B
DE1255215B DE1964J0026110 DEJ0026110A DE1255215B DE 1255215 B DE1255215 B DE 1255215B DE 1964J0026110 DE1964J0026110 DE 1964J0026110 DE J0026110 A DEJ0026110 A DE J0026110A DE 1255215 B DE1255215 B DE 1255215B
Authority
DE
Germany
Prior art keywords
weight
percent
fluorescent material
amplifier
optical transmitter
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.)
Withdrawn
Application number
DE1964J0026110
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schott AG
Original Assignee
Jenaer Glaswerk Schott and Gen
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jenaer Glaswerk Schott and Gen filed Critical Jenaer Glaswerk Schott and Gen
Priority to DE1964J0026110 priority Critical patent/DE1255215B/en
Priority to NL6502659A priority patent/NL139636B/en
Priority to FR12141A priority patent/FR1429134A/en
Priority to BE665787D priority patent/BE665787A/xx
Priority to GB2689065A priority patent/GB1107121A/en
Publication of DE1255215B publication Critical patent/DE1255215B/en
Withdrawn legal-status Critical Current

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
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/17—Solid materials amorphous, e.g. glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
    • C03C3/108—Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing boron
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/12—Compositions for glass with special properties for luminescent glass; for fluorescent glass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Glass Compositions (AREA)

Description

BUNDESREPUBLIK DEUTSCHLANDFEDERAL REPUBLIC OF GERMANY

DEUTSCHESGERMAN

PATENTAMTPATENT OFFICE

AUSLEGESCHRIFTEDITORIAL

Int. Cl.:Int. Cl .:

HOlsHOls

Deutsche Kl.: 21 g - 53/06 German class: 21 g - 53/06

Nummer: 1255 215Number: 1255 215

Aktenzeichen: J 26110 VIII c/21 gFile number: J 26110 VIII c / 21 g

Anmeldetag: 26. Juni 1964Filing date: June 26, 1964

Auslegetag: 30. November 1967Open date: November 30, 1967

Die Erfindung bezieht sich auf ein selektiv fluoreszentes Material, welches zur Verwendung in einem optischen Sender oder Verstärker geeignet ist.The invention relates to a selectively fluorescent material which is for use in a optical transmitter or amplifier is suitable.

Es ist bekannt, daß ein Werkstoff für optische Sender oder Verstärker, die nach dem Prinzip der induzierten Emission arbeiten (Laser) dadurch hergestellt werden kann, daß man Neodymoxyd in ein Bariumkronglas der folgenden Zusammensetzung einführt: It is known that a material for optical transmitters or amplifiers that operate on the principle of Induced emission work (laser) can be produced by adding neodymium oxide to a Introduces barium crown glass of the following composition:

59 Gewichtsprozent SiO3
25 Gewichtsprozent BaO
15 Gewichtsprozent K2O
1 Gewichtsprozent Sb2O3 59 percent by weight SiO 3
25 percent by weight BaO
15 percent by weight K 2 O
1 weight percent Sb 2 O 3

Es hat sich aber gezeigt, daß dieses Bariumkronglas nur unter großen Schwierigkeiten schlierenfrei zu erschmelzen ist. Besonders schwierig ist die Her-Stellung großer, hinreichend homogener Stücke aus diesem Glas, wie sie für Laser mit hoher Ausgangs- ao leistung benötigt werden. Ein gewisser Fortschritt bezüglich der Erzielung einer guten optischen Homogenität des angegebenen Glases kann erreicht werden, wenn man das Glas nach bekannten Verfahren in Platingefäßen erschmilzt und die Schmelze rührt. Dabei werden jedoch mehr oder weniger große Mengen von Platin im Glas aufgelöst. Nun hat sich gezeigt, daß Spuren von Platin oder anderen, die Laserstrahlung absorbierenden Substanzen zur Zerstörung des als Lichtverstärker verwendeten Glases führen, wenn die Laseranordnung mit hoher Leistung betrieben wird.It has been shown, however, that this barium crown glass can only be melted without streaks with great difficulty. Especially difficult is the manufacturing position large, sufficiently homogeneous pieces from this glass as ao for laser with high output power are needed. A certain amount of progress in terms of achieving good optical homogeneity of the specified glass can be achieved if the glass is melted in platinum vessels according to known methods and the melt is stirred. However, more or less large amounts of platinum are dissolved in the glass. It has now been shown that traces of platinum or other substances which absorb the laser radiation lead to the destruction of the glass used as a light amplifier when the laser arrangement is operated at high power.

Außer diesen Nachteilen zeigt das genannte Glas eine deutliche Entglasungstendenz, wodurch die Möglichkeit, große Glaskörper für Hochleistungslaser aus ihm herzustellen, weiter eingeschränkt wird.In addition to these disadvantages, the said glass shows a clear tendency towards devitrification, whereby the The possibility of producing large glass bodies for high-power lasers from it is further restricted.

Es wurden bereits Lasergläser vorgeschlagen, die sich mit sehr guter optischer Homogenität herstellen lassen. Dabei handelt es sich beispielsweise um Borosilikatgläser mit Zusätzen verschiedener Metalloxyde, in die bis zu 8 Gewichtsprozent Neodymoxyd eingebaut sind. Diese Gläser sind für die Herstellung von Lasern mit mittlerer Ausgangsleistung gut geeignet. Sie besitzen jedoch nicht die hohe Lebensdauer des angeregten Zustandes wie das eingangs erwähnte Bariumkronglas. Für Hochleistungslaser ist jedoch eine hohe Lebensdauer erwünscht.Laser glasses have already been proposed which can be produced with very good optical homogeneity permit. These are, for example, borosilicate glasses with the addition of various metal oxides, In which up to 8 percent by weight of neodymium oxide are incorporated. These glasses are for making Lasers with medium output power are well suited. However, they do not have the long service life of the excited state like the barium crown glass mentioned at the beginning. For high power lasers, however, is a long service life is desirable.

Aufgabe der vorliegenden Erfindung ist es, Gläser zu ermitteln, deren Zusammensetzung eine Verwendung als Werkstoff für selektiv fluoreszente Medien in optischen Sendern oder Verstärkern ermöglicht, ohne daß diese die genannten schmelztechnischen Selektiv fluoreszentes Material zur Verwendung in einem optischen Sender oder VerstärkerThe object of the present invention is to determine glasses, the composition of which is a use as a material for selectively fluorescent media in optical transmitters or amplifiers, without these the mentioned melting technology selectively fluorescent material for use in an optical transmitter or amplifier

Anmelder:Applicant:

JENAer Glaswerk Schott & Gen., Mainz, Hattenbergstr. 10JENAer Glaswerk Schott & Gen., Mainz, Hattenbergstr. 10

Als Erfinder benannt:
Marga Faulstich, Mainz;
Dr. Norbert Neuroth,
Willy Ritze, Mainz-Mombach; Dr. Emil Deeg, Kairo (Ägypten)Named as inventor:
Marga Faulstich, Mainz;
Dr. Norbert Neuroth,
Willy Ritze, Mainz-Mombach; Dr. Emil Deeg, Cairo (Egypt)

Nachteile des Bariumkronglases aufweisen und die dennoch über hohe Abklingzeiten verfügen.Have disadvantages of the barium crown glass and still have long decay times.

Gegenstand der Erfindung ist demnach die Verwendung eines Glases mit der ZusammensetzungThe invention accordingly relates to the use of a glass with the composition

59 bis 70 Gewichtsprozent SiO2 59 to 70 percent by weight SiO 2

6 bis 24 Gewichtsprozent K2O6 to 24 percent by weight K 2 O

1 bis 10 Gewichtsprozent Na2O1 to 10 percent by weight Na 2 O

0,5 bis 2 Gewichtsprozent Sb2O3 0.5 to 2 weight percent Sb 2 O 3

1 bis 10 Gewichtsprozent Nd2O3 1 to 10 weight percent Nd 2 O 3

0 bis 6 Gewichtsprozent B2O3 0 to 6 weight percent B 2 O 3

0 bis 15 Gewichtsprozent BaO0 to 15 weight percent BaO

O bis 10 Gewichtsprozent PbO0 to 10 weight percent PbO

als Werkstoff für selektiv fluoreszente Medien in optischen Sendern oder Verstärkern.as a material for selectively fluorescent media in optical transmitters or amplifiers.

Besonders günstig hat es sich erwiesen, wenn ein Glas verwendet wird, welches einen Gehalt vonIt has proven to be particularly favorable if a glass is used which has a content of

2 bis 6 Gewichtsprozent Nd2O3 und gegebenenfalls einen Gehalt von 12 bis 24 Gewichtsprozent K2O besitzt.2 to 6 percent by weight of Nd 2 O 3 and optionally a content of 12 to 24 percent by weight of K 2 O.

Gläser, deren Zusammensetzung diesen Angaben entsprechen, lassen sich in den für die Herstellung optischer Gläser verwendeten großen keramischen Häfen sehr gut homogen, schlierenfrei und blasenarm erschmelzen.Glasses whose composition corresponds to this information can be used in the manufacture optical glasses used large ceramic ports very homogeneous, streak-free and low in bubbles melt.

Als Läutermittel wird vorzugsweise Sb2O3 eingeführt. Auch ist es günstig, kleine Mengen von 1 bis Sb 2 O 3 is preferably introduced as the refining agent. It is also convenient to take small amounts from 1 to

3 Gewichtsprozent B2O3 als Schmelzerleichterer zu verwenden, ohne daß die Lebensdauer des angeregten Zustandes hierdurch nennenswert reduziert wird.3 percent by weight of B 2 O 3 can be used as a melting facilitator, without the service life of the excited state being significantly reduced as a result.

709 690/405709 690/405

Claims (3)

In der Tabelle sind Beispiele von Gläsern nach der Erfindung mit eigenen technischen Daten angeführt. Oxyde123A5SiO2 5968,068,066,061,4B2O3 5,01 π0,4ιυ,υ1,0K2O 15,013,614,76,618,6BaO 10,03,83,211,49,0PbO 9,02,21,2Nd2O3 5,05,05,05,05,0Sn2O3 1,01,01,01,0ι,οSpezifisches Gewicht 2,882,592,562,712,69oc107 (20 bis 300° C) 97105111104966407508005605201,5441,5161,5101,5261,531 α = linearer Wärmeausdehnungskoeffizient, In Fluoreszenzabklingzeit in μβεο, /1>2 = Zeitangabe in psec, = Photoelektrisch bestimmtes Intensitätsverhältnis. Patentansprüche:The table shows examples of glasses according to the invention with their own technical data. Oxyde123A5SiO2 5968,068,066,061,4B2O3 5.01 π0.4ιυ, υ1.0K2O 15,013,614,76,618.6BaO 10.03,83,211,49.0PbO 9,02,21,2 Nd2O3 5,05,05,05,05,0 Sn2O3 1, 01,01,01,0ι, ο Specific weight 2,882,592,562,712,69oc107 (20 to 300 ° C) 97105111104966407508005605201,5441,5161,5101,5261,531 α = linear thermal expansion coefficient, in fluorescence decay time in μβεο, / 1> 2 = time in psec = Photoelectrically determined intensity ratio. Patent claims: 1. Selektiv fiuoreszentes Material zur Verwendung in einem optischen Sender oder Verstärker, dadurch gekennzeichnet, daß es aus Glas mit folgender Zusammensetzung besteht:1. Selectively fluorescent material for use in an optical transmitter or amplifier, thereby characterized in that it consists of glass with the following composition: 59 bis 70 Gewichtsprozent SiO2 6 bis 24 Gewichtsprozent K2O 1 bis 10 Gewichtsprozent Na2O 0,5 bis 2 Gewichtsprozent Sb2O3 59 to 70 percent by weight SiO 2 6 to 24 percent by weight K 2 O 1 to 10 percent by weight Na 2 O 0.5 to 2 percent by weight Sb 2 O 3 1 bis 10 Gewichtsprozent Nd2O3 1 to 10 weight percent Nd 2 O 3 0 bis 6 Gewichtsprozent B2O3 0 to 6 weight percent B 2 O 3 0 bis 15 Gewichtsprozent BaO0 to 15 weight percent BaO 0 bis 10 Gewichtsprozent PbO.0 to 10 weight percent PbO. 2. Selektiv fiuoreszentes Material nach An-Spruch 1, dadurch gekennzeichnet, daß es einen Gehalt von 2 bis 6 Gewichtsprozent Nd2O3 besitzt.2. Selectively fluorescent material according to claim 1, characterized in that it has a content of 2 to 6 percent by weight of Nd 2 O 3 . 3. Selektiv fiuoreszentes Material nach Anspruch 1, dadurch gekennzeichnet, daß es einen Gehalt von 12 bis 24 Gewichtsprozent K2O besitzt.3. Selectively fluorescent material according to claim 1, characterized in that it has a K 2 O content of 12 to 24 percent by weight. 709 690/405 11.67 © BundesdruckereiBerlin709 690/405 11.67 © BundesdruckereiBerlin
DE1964J0026110 1964-06-26 1964-06-26 Selectively fluorescent material for use in an optical transmitter or amplifier Withdrawn DE1255215B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE1964J0026110 DE1255215B (en) 1964-06-26 1964-06-26 Selectively fluorescent material for use in an optical transmitter or amplifier
NL6502659A NL139636B (en) 1964-06-26 1965-03-03 PROCESS FOR THE PREPARATION OF NEODYNIUM-ACTIVATED SILICATE GLASS AND OPTICAL TRANSMITTER OR AMPLIFIER WITH SELECTIVE FLUORESCENT MEDIUM A GLASS, MANUFACTURED IN ACCORDANCE WITH THIS PROCESS.
FR12141A FR1429134A (en) 1964-06-26 1965-04-06 Silicate glasses activated with neodymium, as a selective fluorescence medium for optical emitters or amplifiers
BE665787D BE665787A (en) 1964-06-26 1965-06-22
GB2689065A GB1107121A (en) 1964-06-26 1965-06-24 Silicate glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964J0026110 DE1255215B (en) 1964-06-26 1964-06-26 Selectively fluorescent material for use in an optical transmitter or amplifier

Publications (1)

Publication Number Publication Date
DE1255215B true DE1255215B (en) 1967-11-30

Family

ID=7202483

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1964J0026110 Withdrawn DE1255215B (en) 1964-06-26 1964-06-26 Selectively fluorescent material for use in an optical transmitter or amplifier

Country Status (4)

Country Link
BE (1) BE665787A (en)
DE (1) DE1255215B (en)
GB (1) GB1107121A (en)
NL (1) NL139636B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6652972B1 (en) * 1999-11-01 2003-11-25 Schott Glass Technologies Inc. Low temperature joining of phosphate glass

Also Published As

Publication number Publication date
NL139636B (en) 1973-08-15
BE665787A (en) 1965-10-18
NL6502659A (en) 1965-12-27
GB1107121A (en) 1968-03-20

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee