Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Microwave-assisted Rydberg electromagnetically induced transparency: publisher's note.

Optics letters·2018

Same author

Microwave-assisted Rydberg electromagnetically induced transparency.

Optics letters·2018

Same author

Microwave transitions in pairs of Rb Rydberg atoms.

Physical review letters·2013

Same author

Phase-dependent electron-ion recombination in a microwave field.

Physical review letters·2011

Same author

Photon-echo novelty filter for measuring a sudden change in index of refraction.

Applied optics·2010

Same author

Partial synthesis of compounds related to adrenal cortical hormones; preparation of an 11-keto bile acid.

The Journal of biological chemistry·2010

Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026

Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026

Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026

Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026

Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026

Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jun 20, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Frequency-modulation spectroscopy with a pulsed dye laser.

T F Gallagher, R Kachru, F Gounand

|August 28, 2009

Summary

This summary is machine-generated.

This study demonstrates frequency-modulation spectroscopy using a pulsed dye laser, achieving sensitive measurements of 2% absorption despite laser intensity fluctuations. This technique offers precise detection capabilities for various scientific applications.

More Related Videos

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies

Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies

Published on: December 18, 2015

Related Experiment Videos

Last Updated: Jun 20, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies

Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies

Published on: December 18, 2015

Area of Science:

Spectroscopy
Laser Physics
Analytical Chemistry

Background:

Frequency-modulation spectroscopy is a sensitive technique for detecting low absorptions.
Pulsed lasers, such as those pumped by Nd:YAG lasers, are commonly used in spectroscopic applications.
Laser intensity fluctuations can pose a challenge for precise absorption measurements.

Purpose of the Study:

To investigate the feasibility of using frequency-modulation spectroscopy with a pulsed dye laser for sensitive absorption measurements.
To assess the impact of laser intensity fluctuations on measurement sensitivity.
To demonstrate the capability of measuring small absorptions (2%) under non-ideal laser conditions.

Main Methods:

Utilized frequency-modulation spectroscopy.
Employed a dye laser with a 5-nsec pulse duration, pumped by a Nd:YAG laser.
Characterized the dye laser's performance, including its transform-limited status and intensity fluctuations (30% peak-to-peak).

Main Results:

Successfully measured absorptions as low as 2%.
Demonstrated that significant laser intensity fluctuations (30%) did not prevent sensitive measurements.
Showcased the robustness of the frequency-modulation spectroscopy technique.

Conclusions:

Frequency-modulation spectroscopy is effective for sensitive absorption measurements even with non-transform-limited pulsed dye lasers.
The technique can overcome challenges posed by laser intensity noise.
This method provides a viable approach for detecting small absorptions in various scientific fields.