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We present and characterize a laser system for the spectroscopy on highly-charged ^209Bi^82+ ions at a wavelength of 243.87 nm. For absolute frequency stabilization, the laser system is locked to a near-infra-red laser stabilized to a…

Atomic Physics · Physics 2012-09-12 S. Albrecht , S. Altenburg , C. Siegel , N. Herschbach , G. Birkl

Narrow-linewidth lasers with absolute frequency anchoring are essential for precision metrology, coherent sensing, and emerging quantum technologies beyond laboratory environments. Optical cavities and interferometers provide exceptional…

We present a scheme for stabilizing multiple lasers at wavelengths between 795 and 866 nm to the same atomic reference line. A reference laser at 852 nm is stabilized to the Cs D2 line using a Doppler-free frequency modulation technique.…

Quantum Physics · Physics 2015-05-14 F. Rohde , M. Almendros , C. Schuck , J. Huwer , M. Hennrich , J. Eschner

We report on a design of a compact laser system composed of an extended cavity diode laser with high passive stability and a pre-filter Fabri-Perot cavity. The laser is frequency stabilized relative to the cavity using a serrodyne technique…

Quantum Gases · Physics 2015-05-20 Emil Kirilov , Manfred J. Mark , Maximilian Segl , Hanns-Christoph Nägerl

We present a compact laser frequency stabilization method by locking a 556 nm laser to a high-precision wavelength meter. Unlike traditional schemes that rely on optical cavities or atomic references, we stabilize the laser frequency via a…

Optics · Physics 2025-06-27 Mengde Gan , Haoyi Zhang , Xiaodong Tan , Jiaming Li , Le Luo

We propose a method to continuously frequency shift a target laser that is frequency stabilized by a reference laser, which is several hundreds of nanometers detuned. We demonstrate the technique using the 5S 1/2 to 5P 3/2 to 29D 5/2…

We describe a frequency stabilized diode laser at 698 nm used for high resolution spectroscopy of the 1S0-3P0 strontium clock transition. For the laser stabilization we use state-of-the-art symmetrically suspended optical cavities optimized…

Atomic Physics · Physics 2011-01-13 Marco. G. Tarallo , Nicola Poli , Marco Schioppo , Guglielmo M. Tino

We have implemented a simple and cost-effective digital system for long-term frequency stabilisation and locking to an arbitrary wavelength of the single-frequency ring CW Ti:Sapphire laser. This system is built around two confocal…

We present a solid-state laser system that generates over 200 mW of continuous-wave, narrowband light, tunable from 316.3 nm - 317.7 nm and 318.0 nm - 319.3 nm. The laser is based on commercially available fiber amplifiers and optical…

We report on the frequency stabilization of a 739 nm Ti:sapphire laser to a hyperfine component of the $^{127}I_{2}$ B(1)-X(11) P(70) transition using acousto-optic modulation transfer spectroscopy (MTS). A frequency stability of…

Atomic Physics · Physics 2024-06-21 Hao Wu , PengFei Lu , Yang Liu , JiangYong Hu , QiFeng Lao , XinXin Rao , LunHua Deng , Feng Zhu , Le Luo

With Hg atoms confined in an optical lattice trap in the Lamb-Dicke regime, we obtain a spectral line at 265.6 nm in which the full-width at half-maximum is <15Hz. Here we lock an ultrastable laser to this ultranarrow clock transition and…

Atomic Physics · Physics 2016-04-20 J. J. McFerran , D. V. Magalhaes , C. Mandache , J. Millo , W. Zhang , Y. Le Coq , G. Santarelli , S. Bize

Modern experiments in quantum metrology, sensing, and quantum computing require precise control of the state of atoms and molecules, achieved through the use of highly stable lasers and microwave generators with low phase noise. One of the…

We present the characterization of a laser frequency stabilization scheme using a state-of-the-art wavelength meter based on solid Fizeau interferometers. For a frequency-doubled Ti-sapphire laser operated at 461 nm, an absolute Allan…

Instrumentation and Detectors · Physics 2018-05-09 Luc Couturier , Ingo Nosske , Fachao Hu , Canzhu Tan , Chang Qiao , Y. H. Jiang , Peng Chen , Matthias Weidemüller

An experimental method is developed for the robust frequency stabilization using a high-finesse cavity when the laser exhibits large intermittent frequency jumps. This is accomplished by applying an additional slow feedback signal from…

Optics · Physics 2020-10-06 Won-Kyu Lee , Chang Yong Park , Myoung-Sun Heo , Dai-Hyuk Yu , Huidong Kim

State-of-the-art laser frequency stabilization is limited by miniscule length changes caused by thermal noise. In this work, a cavity-length-insensitive frequency stabilization scheme is implemented using strong dispersion in a…

An extended cavity diode laser operating in the Littrow configuration emitting near 657 nm is stabilized via its injection current to a reference cavity with a finesse of more than 10^5 and a corresponding resonance linewidth of 14 kHz. The…

Optics · Physics 2009-11-07 Adrien Schoof , Jan Gruenert , Stephan Ritter , Andreas Hemmerich

We report a simple technique for stabilization of a laser frequency at the wings of an atomic resonance. The reference signal used for stabilization issues from interference effects obtained in a low-quality cavity filled with a resonant…

It is demonstrated that RF current modulation of a frequency stabilized injection-locked diode laser allows the stabilization of an optical cavity to adjustable lengths, by variation of the RF frequency. This transfer cavity may be used to…

Optics · Physics 2007-05-23 P. Bohlouli-Zanjani , K. Afrousheh , J. D. D. Martin

A frequency-stabilized ultraviolet laser system, locked to the thallium resonant transition of 377.5 nm, was demonstrated using a novel bichromatic spectroscopy technique for tuning the zero-crossing laser-lock point. The atomic thallium…

Atomic Physics · Physics 2016-12-09 Tzu-Ling Chen , Chang-Yi Lin , Jow-Tsong Shy , Yi-Wei Liu

We have frequency stabilized a Coherent CR699-21 dye laser to a transient spectral hole on the 606 nm transition in Pr^{+3}:Y_2SiO_5. A frequency stability of 1 kHz has been obtained on the 10 microsecond timescale together with a long-term…

Quantum Physics · Physics 2016-08-16 L. Rippe , B. Julsgaard , A. Walther , S. Kröll
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