Intracavity interferometry using synchronously pumped OPO

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F16%3A00307736" target="_blank" >RIV/68407700:21340/16:00307736 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1117/12.2263640" target="_blank" >http://dx.doi.org/10.1117/12.2263640</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1117/12.2263640" target="_blank" >10.1117/12.2263640</a>

Result language

angličtina

Original language name

Intracavity interferometry using synchronously pumped OPO

Original language description

The concept of system for intracavity interferometry based on the beat note detection in subharmonic synchronously intracavity pumped optical parametrical oscillator (OPO) is presented. The system consisted of SESAM-modelocked, picosecond, diode pumped Nd:YVO4 laser, operating at wavelength 1.06 μm and tunable linear intracavity pumped OPO based on MgO:PPLN crystal, widely tunable in 1.5 μm able to deliver two independent trains of picosecond pulses. The optical length of the OPO cavity was set to be exactly twice the pumping cavity length. In this configuration the OPO produces signal pulses with the same repetition frequency as the pump laser but the signal consists of two completely independent pulse trains. For purpose of pump probe measurements the setup signal with half repetition rate and scalable amplitude was derived from the OPO signal using RF signal divider, electropotical modulator and fiber amplifier. The impact of one pump beam on the sample is detected by one probing OPO train, the other OPO train is used as a reference. The beat note measured using the intracavity interferometer is proportional to phase modulation caused by the pump beam. The bandwidth of observed beat-note was less than 1 Hz (FWHM), it corresponds to a phase shift measurement error of less than 1.5 x 10-7 rad without any active stabilization. Such compact low-cost system could be used for ultra-sensitive phase-difference measurements (e.g. nonlinear refractive index measurement) for wide range of material especially in spectral range important for telecom applications

Czech name

—

Czech description

—

Type

D - Article in proceedings

CEP classification

BH - Optics, masers and lasers

OECD FORD branch

—

Project

<a href="/en/project/GA13-08888S" target="_blank" >GA13-08888S: Diode pumped picosecond solid state lasers</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2016

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

Proceedings of SPIE Vol. 10142

ISBN

978-1-5106-0734-7

ISSN

0277-786X

e-ISSN

—

Number of pages

6

Pages from-to

—

Publisher name

The International Society for Optical Engineering (SPIE)

Place of publication

Bellingham WA

Event location

Jasná

Event date

Sep 5, 2016

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

000393152700077