Patents for G01J 11 - Measuring the characteristics of individual optical pulses or of optical pulse trains (1,153)
01/1999
01/26/1999US5864381 Automated pupil remapping with binary optics
01/12/1999US5859697 Fiber optic noise suppressor
12/1998
12/16/1998EP0884868A2 Measurement of the eye-opening of optical signals by optical sampling
12/01/1998US5844704 Optical packet address detector
11/1998
11/26/1998DE19737914C1 Energy measuring instrument for pulsed laser
10/1998
10/28/1998CN2295999Y Apparatus for measuring tunable ultrashort laser pulse by first harmonic information
10/07/1998CN2293817Y Single-pulse self-correlation measuring instrument
09/1998
09/30/1998EP0866961A1 Improved spectrophotometer
09/24/1998DE19810551A1 Femtosecond visible light pulse method for measuring dielectric coefficient of non-linear crystal
09/22/1998US5812690 Set up procedure to enable accurate centroiding in photon counting detectors
08/1998
08/19/1998CN2288429Y Ultrashort light pulse real-time measurer
08/12/1998EP0680618B1 A method of setting an electro-optical signal path and an apparatus for carrying out the method
07/1998
07/28/1998US5786888 Pulsed radiation classifier and related method
07/14/1998US5781322 Method and apparatus for measuring the noise figure of an optical amplifier
07/07/1998US5777727 OTDR measurement device
05/1998
05/20/1998EP0843240A2 Optical beam spatial pattern recording device
05/20/1998CN1038448C Multi-function laser interferometer
05/20/1998CN1038447C Laser-beam multi-parameter testing instrument
05/19/1998US5754324 Method of setting an electro-optical signal path and an apparatus for carrying out the method
05/19/1998US5754292 Method and apparatus for measuring the intensity and phase of an ultrashort light pulse
05/13/1998EP0841548A2 Systems and methods for processing and analyzing terahertz waveforms
03/1998
03/26/1998WO1998012541A1 Improved spectrophotometer
03/26/1998CA2237978A1 Improved spectrophotometer
03/25/1998EP0831311A1 Pulse laser
03/24/1998US5732172 Laser pulse sampler
03/05/1998WO1998009186A1 Laser pulse sampler
03/04/1998CN2275714Y Rotary mirror type autocorrelation measurer
02/1998
02/03/1998US5715049 Light measuring apparatus for quantifying photons
01/1998
01/21/1998EP0819924A2 Apparatus and method for measuring characteristics of optical pulses
01/14/1998EP0818670A1 Optical pulse autocorrelator
01/08/1998DE19719749A1 Picosecond laser pulse discriminator device using electronic integrator
12/1997
12/17/1997EP0813045A2 Apparatus for characterising optical pulses
12/04/1997DE19722420A1 Optical time domain reflectometer for optical fibre performance testing
11/1997
11/04/1997US5684586 Apparatus for characterizing short optical pulses
10/1997
10/23/1997DE19615616A1 Coherence measuring optics system for interferometry with beam splitter
06/1997
06/24/1997CA2041342C Optical spectroscopy system
06/03/1997US5636050 Optical streak camera for measuring an input temporal signal beam of light
02/1997
02/20/1997DE19632362A1 Optical fibre amplifier noise figure measurement
01/1997
01/07/1997US5591962 Synchronous signal detection apparatus with a photoconductive photodetector
01/03/1997WO1997000430A1 Measuring device for short and ultrashort light pulses
01/03/1997WO1997000429A1 Measuring device for short and ultrashort light pulses
01/02/1997DE19549303A1 Analyser for short and ultra-short light pulses
11/1996
11/21/1996WO1996036857A1 Pulse laser
09/1996
09/18/1996EP0615623B1 Spectral discrimination using temporal mapping of light pulses through optical filters
09/10/1996US5555119 Digital sampling of individual pulses
07/1996
07/09/1996US5535038 Apparatus and method for determining extinction ratio of digital laser transmitters
06/1996
06/25/1996US5530544 Method and apparatus for measuring the intensity and phase of one or more ultrashort light pulses and for measuring optical properties of materials
05/1996
05/30/1996DE4440968A1 Spectroscopic system
05/15/1996DE4440387A1 Ultra-short light pulse duration measuring device using Kerr electro-optical effect
04/1996
04/17/1996CN2225037Y Small-size intellectual instrument for measuring parameters of laser beam
02/1996
02/27/1996US5495100 Phase difference detecting method, circuit and apparatus
02/13/1996US5491329 Photodetecting apparatus having intensity tuneable light irradiating unit
01/1996
01/10/1996EP0691758A1 Synchronous detection of optical signals
11/1995
11/29/1995CN1030417C Photoemissive film for laser pulse detection
11/08/1995EP0680618A1 A method of setting an electro-optical signal path and an apparatus for carrying out the method
10/1995
10/24/1995US5461234 Method and apparatus for measuring ultrashort laser pulses
10/12/1995DE4192191C1 Multichannel analogue detection method
06/1995
06/07/1995EP0656537A1 Photodetecting apparatus for scattering medium with phase detection
05/1995
05/24/1995DE4339787A1 Light signal measuring system using time-correlated photon counting
05/24/1995DE4339784A1 Time-correlated photon counting system
05/03/1995EP0570450B1 Centroiding method for photon counting detectors
04/1995
04/18/1995US5408310 Optical time domain reflectometer having shortened dead zone
02/1995
02/01/1995EP0636891A2 Phase difference detecting method, circuit and apparatus
10/1994
10/25/1994US5359410 Complete diagnostics of ultrashort pulses without nonlinear process
10/05/1994EP0617793A1 Digital sampling of individual pulses
10/04/1994US5353149 Apparatus for affecting time-space conversion on a light signal changing at ultra-high speed
10/04/1994US5353110 Method and apparatus for carrying out optical time domain reflectometry using weighing techniques
09/1994
09/21/1994EP0615623A1 Spectral discrimination using temporal mapping of light pulses through optical filters.
08/1994
08/04/1994WO1994017430A1 A method of setting an electro-optical signal path and an apparatus for carrying out the method
07/1994
07/20/1994CN1089723A Multi-function laser interferometer
07/06/1994EP0605301A1 Optical time domain reflectometer
05/1994
05/18/1994CN1086927A Photoelectric emission film for laser pulse detection
05/03/1994US5308971 Measurement apparatus and techniques for ultrashort events using electron photoemission with a superlinear photoemission active element
04/1994
04/19/1994US5304791 Apparatus for detecting high speed events
03/1994
03/29/1994US5299170 Apparatus for measuring pulse width using two-photon absorption medium
03/23/1994EP0588637A1 Optical converter
02/1994
02/15/1994US5286968 Method and device for multichannel analog detection
01/1994
01/26/1994EP0580440A2 Apparatus for detecting high speed events
01/24/1994CA2101218A1 Apparatus for detecting high speed events
01/20/1994DE4222970A1 Pulse duration measuring device for ultra-short light pulses in ultraviolet range - has pumping light source, optical delay, polariser and interaction crystal in optical path, and analyses output from crystal
12/1993
12/16/1993DE4219533A1 Measuring the pulse duration of ultra short light pulses in ultraviolet range - by superimposing weak ultra short UV pulse and ultra short and wave UV pump impulse inside a material which transmits both pulses
11/1993
11/24/1993EP0570450A1 Centroiding method for photon counting detectors.
08/1993
08/03/1993US5233182 Method and apparatus for the acquisition of data for determining the duration and chirp of ultrashort laser pulses
07/1993
07/08/1993WO1993013427A1 Digital sampling of individual pulses
07/06/1993US5225894 Spectral discrimination using temporal mapping of light pulses through optical filters
07/06/1993US5225884 Excimer laser pulse analyzer and method
06/1993
06/15/1993US5220463 Optical delay line
06/10/1993WO1993011444A1 Spectral discrimination using temporal mapping of light pulses through optical filters
06/10/1993CA2125046A1 Spectral discrimination using temporal mapping of light pulses through optical filters
03/1993
03/03/1993CN1069574A Laser-beam multi-parameter testing instrument
12/1992
12/01/1992US5168164 Optical waveform measuring device
10/1992
10/27/1992US5159400 Apparatus for testing optical fiber by using detector having virtually broadened dynamic range
09/1992
09/30/1992EP0506397A2 Optical waveform measuring device
09/01/1992US5144374 Optical spectroscopy system
08/1992
08/20/1992WO1992014127A1 Centroiding method for photon counting detectors
07/1992
07/30/1992CA2059762A1 Optical delay line
06/1992
06/24/1992CN2108287U Integral power tester for infrared remote controller
06/16/1992CA1303382C Optical detector storage effects reduction
06/09/1992CA1303149C Optical fiber device for generating light pulses
05/1992
05/19/1992US5114228 Apparatus for measuring the energy of rapidly pulsing radiation
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