EP 4302051 A1 20240110 - GENERATOR FOR GENERATING AN ANTI-KERR-EFFECT MODULATED LIGHT SIGNAL, INTERFEROMETRY MEASURING DEVICE COMPRISING SUCH A GENERATOR, AND METHOD FOR MODULATING A LIGHT SIGNAL
Title (en)
GENERATOR FOR GENERATING AN ANTI-KERR-EFFECT MODULATED LIGHT SIGNAL, INTERFEROMETRY MEASURING DEVICE COMPRISING SUCH A GENERATOR, AND METHOD FOR MODULATING A LIGHT SIGNAL
Title (de)
GENERATOR ZUR ERZEUGUNG EINES ANTI-KERR-EFFEKT-MODULIERTEN LICHTSIGNALS, INTERFEROMETRISCHE MESSVORRICHTUNG MIT EINEM SOLCHEN GENERATOR UND VERFAHREN ZUR MODULATION EINES LICHTSIGNALS
Title (fr)
GÉNÉRATEUR D'UN SIGNAL LUMINEUX MODULÉ ANTI-EFFET KERR, DISPOSITIF DE MESURE INTERFÉROMÉTRIQUE COMPORTANT UN TEL GÉNÉRATEUR ET MÉTHODE DE MODULATION D'UN SIGNAL LUMINEUX
Publication
Application
Priority
- FR 2102118 A 20210304
- EP 2022055460 W 20220303
Abstract (en)
[origin: WO2022184855A1] The invention relates to a generator for generating an anti-Kerr modulated light signal (Smod), comprising a primary light source (2) having four longitudinal modes or fewer and configured to generate a light signal and modulation means (4) configured to modulate the power of the light signal by way of a square-wave or rectangular-wave control signal (50) the duty cycle of which is less than or equal to 50%, and which are adapted such that the modulated light signal (Smod) is periodic and has: - at a first point of the signal (Smod), a first power value (PMes) equal to the product of its average power (≺P≻) and a gain of between 1.6 and 2.4, - at a second point of the signal (Smod), a second, non-zero power value (Pmin) different from the first power value (PMes). The invention also relates to a modulation method and to a measuring device.
IPC 8 full level
G01C 19/72 (2006.01); G01R 15/24 (2006.01)
CPC (source: EP US)
G01C 19/721 (2013.01 - EP US); G02F 1/0123 (2013.01 - US); G02F 1/0123 (2013.01 - EP); G02F 1/211 (2021.01 - EP US); G02F 2203/50 (2013.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022184855 A1 20220909; EP 4302051 A1 20240110; FR 3120453 A1 20220909; FR 3120453 B1 20230421; US 2024159537 A1 20240516
DOCDB simple family (application)
EP 2022055460 W 20220303; EP 22713554 A 20220303; FR 2102118 A 20210304; US 202218548842 A 20220303