Precise monitoring of ultra low expansion Fabry-Perot cavity length by the use of a stabilized optical frequency comb

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081731%3A_____%2F10%3A00437642" target="_blank" >RIV/68081731:_____/10:00437642 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1109/FREQ.2010.5556284" target="_blank" >http://dx.doi.org/10.1109/FREQ.2010.5556284</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1109/FREQ.2010.5556284" target="_blank" >10.1109/FREQ.2010.5556284</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Precise monitoring of ultra low expansion Fabry-Perot cavity length by the use of a stabilized optical frequency comb

Popis výsledku v původním jazyce

The use of an ultra low expansion cavity plays a crucial role in laser stabilization, and it is essential in atomic or ion clocks. In this work we present a method of mirror distance monitoring in an evacuated Fabry-Perot cavity (FPC) made from an ultralow expansion material (Zerodur expansion class 0). The FPC was placed into a temperature-stabilized stainless steel chamber and the FPC temperature was set to remain close to the point where the expansion coefficient of the cavity material is the lowest. The precise distance of the FPC mirrors in vacuum was indirectly proportional to the optical frequency of a laser. One of the frequency comb component chosen by FBG grating was locked to the FPC of 400 MHz free spectral range. The 100 MHz repetition frequency of the femtosecond laser comb was monitored with counter referenced to a crystal oscillator with short term stability <; 10-12 and long term stability locked to a GPS.

Název v anglickém jazyce

Precise monitoring of ultra low expansion Fabry-Perot cavity length by the use of a stabilized optical frequency comb

Popis výsledku anglicky

The use of an ultra low expansion cavity plays a crucial role in laser stabilization, and it is essential in atomic or ion clocks. In this work we present a method of mirror distance monitoring in an evacuated Fabry-Perot cavity (FPC) made from an ultralow expansion material (Zerodur expansion class 0). The FPC was placed into a temperature-stabilized stainless steel chamber and the FPC temperature was set to remain close to the point where the expansion coefficient of the cavity material is the lowest. The precise distance of the FPC mirrors in vacuum was indirectly proportional to the optical frequency of a laser. One of the frequency comb component chosen by FBG grating was locked to the FPC of 400 MHz free spectral range. The 100 MHz repetition frequency of the femtosecond laser comb was monitored with counter referenced to a crystal oscillator with short term stability <; 10-12 and long term stability locked to a GPS.

Druh

D - Stať ve sborníku

CEP obor

BH - Optika, masery a lasery

OECD FORD obor

—

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2010

Kód důvěrnosti údajů

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

Název statě ve sborníku

International Frequency Control Symposium (FCS) 2010

ISBN

978-1-4244-6399-2

ISSN

1075-6787

e-ISSN

—

Počet stran výsledku

5

Strana od-do

480-484

Název nakladatele

IEEE

Místo vydání

Piscataway

Místo konání akce

New Port Beach

Datum konání akce

1. 7. 2010

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000287378700103