Global Patent Index - EP 1474849 A1

EP 1474849 A1 20041110 - AMPLIFIER CHAIN FOR GENERATING HIGH-POWER ULTRASHORT PULSES

Title (en)

AMPLIFIER CHAIN FOR GENERATING HIGH-POWER ULTRASHORT PULSES

Title (de)

VERSTÄRKERKETTE ZUR ERZEUGUNG VON ULTRAKURZEN HOCHLEISTUNGSIMPULSEN

Title (fr)

CHAINE AMPLIFICATRICE POUR LA GENERATION D IMPULSIONS ULTRACOURTES DE FORTE PUISSANCE

Publication

EP 1474849 A1 20041110 (FR)

Application

EP 02805394 A 20021217

Priority

  • FR 0204398 W 20021217
  • FR 0116560 A 20011220

Abstract (en)

[origin: WO03055015A1] The invention concerns an amplifier chain for generating high-power ultrashort pulses with a compact stretcher/compressor system. Therefor, the inventive amplifier chain (CPA) comprises a stretcher (STR) designed to temporally stretch an incident pulse of given central wavelength ( lambda 0) with in particular a grating-type input dispersive element (GS, GS1), an amplifying medium for amplifying the stretched pulse, and a compressor (CPR) for temporally compressing said amplified pulse. The invention is characterized in that the stretcher input grating is dimensioned to work with an incidence angle ( alpha 1) of the incident pulse so that the angle of diffraction ( theta 01) at the central wavelength is of the same sign as the angle of incidence relative to the grating normal ( DELTA 1) and of strictly higher absolute value.

IPC 1-7

H01S 3/00; H01S 3/23

IPC 8 full level

H01S 3/00 (2006.01); H01S 3/23 (2006.01)

CPC (source: EP)

H01S 3/0057 (2013.01); G02F 2203/26 (2013.01); H01S 3/2308 (2013.01); H01S 2301/08 (2013.01)

Citation (search report)

See references of WO 03055015A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

DOCDB simple family (publication)

WO 03055015 A1 20030703; AU 2002365001 A1 20030709; EP 1474849 A1 20041110; FR 2834080 A1 20030627; FR 2834080 B1 20040430

DOCDB simple family (application)

FR 0204398 W 20021217; AU 2002365001 A 20021217; EP 02805394 A 20021217; FR 0116560 A 20011220