Ivan Rýger
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View article: Synthetic FM triplet for AM-free precision laser stabilization and spectroscopy
Synthetic FM triplet for AM-free precision laser stabilization and spectroscopy Open
The Pound–Drever–Hall (PDH) cavity-locking scheme has found prevalent uses in precision optical interferometry and laser frequency stabilization. A form of frequency modulation spectroscopy, PDH enjoys superior signal-to-noise recovery, la…
View article: Synthetic FM triplet for AM-free precision laser stabilization and spectroscopy
Synthetic FM triplet for AM-free precision laser stabilization and spectroscopy Open
The Pound-Drever-Hall (PDH) cavity-locking scheme has found prevalent uses in precision optical interferometry and laser frequency stabilization. A form of frequency modulation spectroscopy, PDH enjoys superior signal-to-noise recovery, la…
View article: Fully digital platform for local ultra-stable optical frequency distribution
Fully digital platform for local ultra-stable optical frequency distribution Open
This article reports on the use of a Field Programmable Gate Array (FPGA) platform for local ultra-stable optical frequency distribution through a 90 m-long fiber network. This platform is used to implement a fully digital treatment of the…
View article: Towards the generation and fiber-link transfer of ultra-stable 895 nm signal for characterization of a microcell-stabilized laser
Towards the generation and fiber-link transfer of ultra-stable 895 nm signal for characterization of a microcell-stabilized laser Open
International audience
View article: Cs microcell microwave and optical frequency references at FEMTO-ST
Cs microcell microwave and optical frequency references at FEMTO-ST Open
International audience
View article: In-progress study of microcell-stabilized lasers using dual-frequency sub-Doppler spectroscopy
In-progress study of microcell-stabilized lasers using dual-frequency sub-Doppler spectroscopy Open
International audience
View article: Room temperature laser power standard using a microfabricated, electrical substitution bolometer
Room temperature laser power standard using a microfabricated, electrical substitution bolometer Open
The design and performance of a room temperature electrical substitution radiometer for use as an absolute standard for measuring continuous-wave laser power over a wide range of wavelengths, beam diameters, and powers are described. The s…
View article: Feedback Control of a Nonlinear Electrostatic Force Transducer
Feedback Control of a Nonlinear Electrostatic Force Transducer Open
We document a feedback controller design for a nonlinear electrostatic transducer that exhibits a strong unloaded resonance. Challenging features of this type of transducer include the presence of multiple fixed points (some of which are u…
View article: Miniature force sensor for absolute laser power measurements via radiation pressure at hundreds of watts
Miniature force sensor for absolute laser power measurements via radiation pressure at hundreds of watts Open
We present a small power meter that detects the radiation pressure of an incident high-power laser. Given its small package and non-destructive interaction with the laser, this power meter is well suited to realizing a robust real-time, hi…
View article: MEMS Non-Absorbing Electromagnetic Power Sensor Employing the Effect of Radiation Pressure
MEMS Non-Absorbing Electromagnetic Power Sensor Employing the Effect of Radiation Pressure Open
We demonstrate a compact electromagnetic power sensor based on force effects of electromagnetic radiation onto a highly reflective mirror surface. Unlike the conventional power measurement approach, the photons are not absorbed and can be …
View article: Micromachined Force Scale for Optical Power Measurement by Radiation Pressure Sensing
Micromachined Force Scale for Optical Power Measurement by Radiation Pressure Sensing Open
We introduce a micromachined force scale for laser power measurement by means of radiation pressure sensing. With this technique, the measured laser light is not absorbed and can be utilized while being measured. We employ silicon micromac…
View article: Measurement of Radio-Frequency Radiation Pressure
Measurement of Radio-Frequency Radiation Pressure Open
We perform measurements of the radiation pressure of a radio-frequency (RF) electromagnetic field which may lead to a new SI-traceable power calibration. There are several groups around the world investigating methods to perform more direc…
View article: Micromachined force scale for optical power measurement by radiation\n pressure sensing
Micromachined force scale for optical power measurement by radiation\n pressure sensing Open
We introduce a micromachined force scale for laser power measurement by means\nof radiation pressure sensing. With this technique, the measured laser light is\nnot absorbed and can be utilized while being measured. We employ silicon\nmicro…
View article: From Laboratory to CubeSat - Room Temperature Absolute Bolometers for Laser Power Standards, Solar Spectral Irradiance, and Total Solar Irradiance
From Laboratory to CubeSat - Room Temperature Absolute Bolometers for Laser Power Standards, Solar Spectral Irradiance, and Total Solar Irradiance Open
Planar micromachined silicon bolometers with carbon nanotube absorbers provide high accuracy, compact, and rugged radiation detection. We are building on the success of our silicon micromachined planar detectors operating at cryogenic temp…
View article: Progress on Embedded Radiation Pressure Sensors for Absolute Power Measurement
Progress on Embedded Radiation Pressure Sensors for Absolute Power Measurement Open
High-accuracy power measurement of high-power lasers has traditionally involved the absorption of (ideally) all the laser energy by a large thermal mass resulting in the temperature change of that sensor. Though the measurement uncertainty…
View article: Planar hyperblack absolute radiometer
Planar hyperblack absolute radiometer Open
The absolute responsivity of a planar cryogenic radiometer fabricated from micromachined silicon and having carbon nanotubes, as the absorber and thermistor were measured in the visible and far infrared (free-field terahertz) wavelength ra…
View article: A New Generation of NIST Laser Power Standards Using Microfabrication Techniques and Carbon Nanotubes
A New Generation of NIST Laser Power Standards Using Microfabrication Techniques and Carbon Nanotubes Open
The NIST Sources and Detectors group is developing a new family of chip-scale laser power standards that are fast, compact, and robust. By combining state-of-the-art micro-fabrication techniques with vertically aligned carbon nanotube (VAC…