Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group
Journal Home About Issues in Progress Current Issue All Issues Early Posting Feature Issues

Optical cavity spectroscopy using heterodyne detection with optical feedback laser frequency locking

Marianne Beaumont, Irène Ventrillard, and Daniele Romanini

Not Accessible

Your library or personal account may give you access

Abstract

We demonstrate an accurate high sensitivity method for cavity spectroscopy. We measure the frequency intervals of transverse electromagnetic modes relative to a fundamental mode in a high finesse optical resonator, and attribute their mode numbers unambiguously. A laser is frequency locked to a fundamental ${{\rm TEM}_{00}}$ cavity mode by optical feedback, and phase modulation is used to obtain frequency side bands, which may come to resonance with other transverse cavity modes as the radio-frequency of the modulation is tuned. At these resonances, transmission of the side bands is sensitively detected by heterodyning with the carrier. We also analyze the transverse spatial profile of the heterodyne signal for identification of mode numbers. The adjustment of the Gaussian cavity model to the measured frequency intervals yields values of cavity length, mirror radius of curvature, and mirror ellipticity, with high precision to the ppm level.

© 2024 Optica Publishing Group

Full Article  |  PDF Article
More Like This
Dual-feedback mid-infrared cavity-enhanced absorption spectroscopy for H2CO detection using a radio-frequency electrically-modulated interband cascade laser

Qixin He, Chuantao Zheng, Minhan Lou, Weilin Ye, Yiding Wang, and Frank K. Tittel
Opt. Express 26(12) 15436-15444 (2018)

Fiber-cavity ring-down temperature sensor using a transmissive configuration combined with the heterodyne detection technique

Keiji Kuroda, Taiki Ikeguchi, and Hisaki Oka
Appl. Opt. 63(3) 676-680 (2024)

Optical feedback frequency locking: impact of directly reflected field and responding strategies

Fu Wan, Rui Wang, Hu Ge, Weiping Kong, Hongcheng Sun, Haoyuan Wu, Gang Zhao, Weiguang Ma, and Weigen Chen
Opt. Express 32(7) 12428-12437 (2024)

View More...

Data availability

Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (4)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (11)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters
Select Topics Cancel
Top
       
© Copyright 2024 | Optica Publishing Group. All rights reserved, including rights for text and data mining and training of artificial technologies or similar technologies.
Privacy | Terms of Use