NO302441B1 - Fiberoptisk endepumpet fiber-laser - Google Patents

Fiberoptisk endepumpet fiber-laser

Info

Publication number
NO302441B1
NO302441B1 NO19951052A NO951052A NO302441B1 NO 302441 B1 NO302441 B1 NO 302441B1 NO 19951052 A NO19951052 A NO 19951052A NO 951052 A NO951052 A NO 951052A NO 302441 B1 NO302441 B1 NO 302441B1
Authority
NO
Norway
Prior art keywords
fiber
pumped
optic end
fiber optic
laser
Prior art date
Application number
NO19951052A
Other languages
English (en)
Other versions
NO951052L (no
NO951052D0 (no
Inventor
Jon Thomas Kringlebotn
Original Assignee
Optoplan As
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 Optoplan As filed Critical Optoplan As
Priority to NO19951052A priority Critical patent/NO302441B1/no
Publication of NO951052D0 publication Critical patent/NO951052D0/no
Priority to US08/618,789 priority patent/US5844927A/en
Priority to GB9605822A priority patent/GB2299203B/en
Publication of NO951052L publication Critical patent/NO951052L/no
Publication of NO302441B1 publication Critical patent/NO302441B1/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/38—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
    • G01F1/383—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule with electrical or electro-mechanical indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
    • G01L11/025—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means using a pressure-sensitive optical fibre
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08086—Multiple-wavelength emission
    • H01S3/0809—Two-wavelenghth emission
    • 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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
NO19951052A 1995-03-20 1995-03-20 Fiberoptisk endepumpet fiber-laser NO302441B1 (no)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NO19951052A NO302441B1 (no) 1995-03-20 1995-03-20 Fiberoptisk endepumpet fiber-laser
US08/618,789 US5844927A (en) 1995-03-20 1996-03-20 Optical fiber distributed feedback laser
GB9605822A GB2299203B (en) 1995-03-20 1996-03-20 Methods and apparatus for measuring the magnitude of a physical parameter and for controlling the wavelengths of a fibre optic distributed feedback laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO19951052A NO302441B1 (no) 1995-03-20 1995-03-20 Fiberoptisk endepumpet fiber-laser

Publications (3)

Publication Number Publication Date
NO951052D0 NO951052D0 (no) 1995-03-20
NO951052L NO951052L (no) 1996-09-23
NO302441B1 true NO302441B1 (no) 1998-03-02

Family

ID=19898032

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19951052A NO302441B1 (no) 1995-03-20 1995-03-20 Fiberoptisk endepumpet fiber-laser

Country Status (3)

Country Link
US (1) US5844927A (no)
GB (1) GB2299203B (no)
NO (1) NO302441B1 (no)

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Also Published As

Publication number Publication date
GB2299203B (en) 1999-06-23
NO951052L (no) 1996-09-23
US5844927A (en) 1998-12-01
NO951052D0 (no) 1995-03-20
GB9605822D0 (en) 1996-05-22
GB2299203A (en) 1996-09-25

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