EP1428052A4 - Free-space optical systems for wavelength switching and spectral monitoring applications - Google Patents

Free-space optical systems for wavelength switching and spectral monitoring applications

Info

Publication number
EP1428052A4
EP1428052A4 EP02766333A EP02766333A EP1428052A4 EP 1428052 A4 EP1428052 A4 EP 1428052A4 EP 02766333 A EP02766333 A EP 02766333A EP 02766333 A EP02766333 A EP 02766333A EP 1428052 A4 EP1428052 A4 EP 1428052A4
Authority
EP
European Patent Office
Prior art keywords
free
optical systems
space optical
wavelength switching
monitoring applications
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.)
Ceased
Application number
EP02766333A
Other languages
German (de)
French (fr)
Other versions
EP1428052A2 (en
Inventor
Jeffrey P Wilde
Pavel Polynkin
Michael J Timmons
Mark H Garrett
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.)
Capella Photonics Inc
Original Assignee
Capella Photonics Inc
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
Priority claimed from US09/961,565 external-priority patent/US6507685B1/en
Priority claimed from US10/022,303 external-priority patent/US6804428B1/en
Application filed by Capella Photonics Inc filed Critical Capella Photonics Inc
Publication of EP1428052A2 publication Critical patent/EP1428052A2/en
Publication of EP1428052A4 publication Critical patent/EP1428052A4/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/447—Polarisation spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/2803—Investigating the spectrum using photoelectric array detector
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J2003/2866—Markers; Calibrating of scan
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0224—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using polarising or depolarising elements

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Optical Communication System (AREA)
  • Liquid Crystal (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
EP02766333A 2001-09-20 2002-09-19 Free-space optical systems for wavelength switching and spectral monitoring applications Ceased EP1428052A4 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US961565 1992-10-15
US22303 1998-02-11
US09/961,565 US6507685B1 (en) 2001-09-20 2001-09-20 Method and apparatus for servo-based spectral array alignment in optical systems
US992778 2001-11-14
US09/992,778 US6504976B1 (en) 2001-09-20 2001-11-14 Spectral power monitors with active alignment compensation
US10/022,303 US6804428B1 (en) 2001-11-14 2001-12-14 Optical spectral power monitors employing polarization deversity scheme
PCT/US2002/030013 WO2003025630A2 (en) 2001-09-20 2002-09-19 Free-space optical systems for wavelength switching and spectral monitoring applications

Publications (2)

Publication Number Publication Date
EP1428052A2 EP1428052A2 (en) 2004-06-16
EP1428052A4 true EP1428052A4 (en) 2004-12-08

Family

ID=27361848

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02766333A Ceased EP1428052A4 (en) 2001-09-20 2002-09-19 Free-space optical systems for wavelength switching and spectral monitoring applications

Country Status (5)

Country Link
EP (1) EP1428052A4 (en)
JP (1) JP4223951B2 (en)
CN (1) CN1610850B (en)
CA (1) CA2460975C (en)
WO (1) WO2003025630A2 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7092599B2 (en) * 2003-11-12 2006-08-15 Engana Pty Ltd Wavelength manipulation system and method
US7522786B2 (en) * 2005-12-22 2009-04-21 Palo Alto Research Center Incorporated Transmitting light with photon energy information
DK200500840A (en) * 2005-06-09 2006-12-10 Banke Stefan Ovesen Raman mini spectrometer adapted to SSRS method
JP4867306B2 (en) * 2005-11-18 2012-02-01 横河電機株式会社 WDM signal monitor
US7852475B2 (en) * 2007-08-13 2010-12-14 Jds Uniphase Corporation Scanning spectrometer with multiple photodetectors
JP4755210B2 (en) * 2008-01-28 2011-08-24 日本電信電話株式会社 Optical signal processing device and method for adjusting optical signal processing device
WO2009106147A1 (en) 2008-02-29 2009-09-03 Telefonaktiebolaget Lm Ericsson (Publ) Channel power estimation means
US8290375B2 (en) * 2008-05-27 2012-10-16 Agilent Technologies, Inc. Modulation based optical spectrum analyzer
US20100129076A1 (en) * 2008-11-24 2010-05-27 Giovanni Barbarossa Method and apparatus for spectral band management
JP2010128473A (en) * 2008-12-01 2010-06-10 Olympus Corp Dispersion element and optical equipment with dispersion element
JP5965099B2 (en) * 2010-11-05 2016-08-03 住友電気工業株式会社 Optical apparatus and adjustment method thereof
CN101982948A (en) * 2010-11-08 2011-03-02 北京邮电大学 FSO (free space optic) dynamic networking method based on back scattering estimation
JP5397919B2 (en) * 2011-08-01 2014-01-22 株式会社ニデック Ophthalmic equipment
CN102970073A (en) * 2011-09-01 2013-03-13 昂纳信息技术（深圳）有限公司 Device and system for optical performance monitoring
CN106255918B (en) * 2014-04-28 2019-03-08 诺基亚技术有限公司 Polarization rotator-combiner for optic communication
WO2020015833A1 (en) * 2018-07-19 2020-01-23 Abderhamane Ahmad Mobile terminal and cellular network with photonic antennas and pseudo-satellites to increase transfer rates and reduce the risk of brain disease and rf electromagnetic pollution

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59170815A (en) * 1983-03-18 1984-09-27 Hitachi Ltd Diffraction grating type optical demultiplexer
US4692883A (en) * 1985-02-21 1987-09-08 The Perkin-Elmer Corporation Automatic digital wavelength calibration system for a spectrophotometer
US5777733A (en) * 1995-12-04 1998-07-07 Bodenseewerk Perkin-Elmer Gmbh Spectrometer with wavelength calibration

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5771094A (en) 1997-01-29 1998-06-23 Kla-Tencor Corporation Film measurement system with improved calibration
TW468062B (en) * 1998-03-11 2001-12-11 Nippon Sheet Glass Co Ltd Optical demultiplexer
US6625346B2 (en) * 2001-03-19 2003-09-23 Capella Photonics, Inc. Reconfigurable optical add-drop multiplexers with servo control and dynamic spectral power management capabilities

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59170815A (en) * 1983-03-18 1984-09-27 Hitachi Ltd Diffraction grating type optical demultiplexer
US4692883A (en) * 1985-02-21 1987-09-08 The Perkin-Elmer Corporation Automatic digital wavelength calibration system for a spectrophotometer
US5777733A (en) * 1995-12-04 1998-07-07 Bodenseewerk Perkin-Elmer Gmbh Spectrometer with wavelength calibration

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO03025630A2 *

Also Published As

Publication number Publication date
JP2005527784A (en) 2005-09-15
EP1428052A2 (en) 2004-06-16
CN1610850A (en) 2005-04-27
WO2003025630A2 (en) 2003-03-27
CA2460975C (en) 2010-08-10
WO2003025630A3 (en) 2003-07-31
CN1610850B (en) 2010-04-28
CA2460975A1 (en) 2003-03-27
JP4223951B2 (en) 2009-02-12

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Legal Events

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RIN1 Information on inventor provided before grant (corrected)

Inventor name: GARRETT, MARK, H.

Inventor name: TIMMONS, MICHAEL, J.

Inventor name: POLYNKIN, PAVEL

Inventor name: WILDE, JEFFREY, P.

A4 Supplementary search report drawn up and despatched

Effective date: 20041027

RIC1 Information provided on ipc code assigned before grant

Ipc: 7G 01J 3/28 B

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