A direct diode pumped Ti:sapphire laser with single-frequency operation for high resolution spectroscopy

Autor: Ryohei Terabayashi, Hattori Koya, Klaus Wendt, Norihiko Nishizawa, Hideki Tomita, Volker Sonnenschein, Felix Weber, Kato Kotaro, Tetsuo Iguchi, Dominik Studer
Rok vydání: 2020
Předmět:
Zdroj: Hyperfine Interactions. 241
ISSN: 1572-9540
0304-3843
Popis: A direct diode pumped continuous-wave Ti:sapphire laser (DDPTS) is presented. A bow-tie geometry with optical diode is chosen for unidirectional single-mode operation. Frequency selection is performed with a standard combination of birefringent filter and etalon. To accomplish mode-hop free frequency tuning the piezo-driven etalon is stabilized to one of the cavity modes via dither-locking method. To suppress environmental fluctuations the cavity-mode is additionally locked to an external optical cavity with low frequency drift. Feasibility of the setup for high-resolution spectroscopy is demonstrated by saturated absorption spectroscopy of the D2 line of Rubidium.
Databáze: OpenAIRE