TERMIUM Plus®

From: Translation Bureau

On social media

Consult the Government of Canada’s terminology data bank.

OPTO-ACOUSTIC SPECTROMETRY [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-12-22

English

Subject field(s)
  • Optics
  • Atomic Physics
CONT

The detectors that are used in ultraviolet-visible spectrophotometry measure photons. If these photon detectors are replaced by a detector that measures pressure waves, the technique is known as photoacoustic, or optoacoustic, spectrometry. Photoacoustic spectrometers typically employ microphones or piezoelectric transducers as detectors.

CONT

… photoacoustic spectrometry uses the thermal expansion of light-absorbing particles caused by the transfer of radiative energy into thermal energy.

Key term(s)
  • photo-acoustic spectrometry
  • opto-acoustic spectrometry

French

Domaine(s)
  • Optique
  • Physique atomique
CONT

La spectrométrie optoacoustique est […] une mesure indirecte d’une absorption induite par laser; on mesure une variation de pression (l’échauffement rapide et localisé provoque une dilatation) proportionnelle à la concentration, au moyen d’une cellule piézoélectrique.

Key term(s)
  • spectrométrie opto-acoustique

Spanish

Save record 1

Copyright notice for the TERMIUM Plus® data bank

© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

Display options

Change the order of display of the official languages of Canada
Option to display the non-official languages (Spanish or Portuguese)
Display definitions, contexts, etc., on records

Features

GCtranslate (available on the Government of Canada network only)

Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.

Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.

Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.

Date Modified: