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- Photoacoustic_effect abstract "The photoacoustic effect or optoacoustic effect is the formation of sound waves following light absorption in a material sample. In order to obtain this effect the light intensity must vary, either periodically (modulated light) or as a single flash (pulsed light). The photoacoustic effect is quantified by measuring the formed sound (pressure changes) with appropriate detectors, such as microphones or piezoelectric sensors. The time variation of the electric output (current or voltage) from these detectors is the photoacoustic signal. These measurements are useful to determine certain properties of the studied sample. For example, in photoacoustic spectroscopy, the photoacoustic signal is used to obtain the actual absorption of light in either opaque or transparent objects. It is useful for substances in extremely low concentrations, because very strong pulses of light from a laser can be used to increase sensitivity and very narrow wavelengths can be used for specificity. Furthermore, photoacoustic measurements serve as a valuable research tool in the study of the heat evolved in photochemical reactions (see: photochemistry), particularly in the study of photosynthesis.Most generally, electromagnetic radiation of any kind can give rise to a photoacoustic effect. This includes the whole range of electromagnetic frequencies, from gamma radiation and X-rays to microwave and radio. Still, much of the reported research and applications, utilizing the photoacoustic effect, is concerned with the near ultraviolet/visible and infrared spectral regions.".
- Photoacoustic_effect wikiPageID "35891052".
- Photoacoustic_effect wikiPageLength "30313".
- Photoacoustic_effect wikiPageOutDegree "54".
- Photoacoustic_effect wikiPageRevisionID "679450359".
- Photoacoustic_effect wikiPageWikiLink Absorption_spectroscopy.
- Photoacoustic_effect wikiPageWikiLink Absorption_spectrum.
- Photoacoustic_effect wikiPageWikiLink Alexander_Graham_Bell.
- Photoacoustic_effect wikiPageWikiLink Bacteriorhodopsin.
- Photoacoustic_effect wikiPageWikiLink Carbon_dioxide.
- Photoacoustic_effect wikiPageWikiLink Category:Acoustics.
- Photoacoustic_effect wikiPageWikiLink Category:Articles_created_via_the_Article_Wizard.
- Photoacoustic_effect wikiPageWikiLink Category:Medical_diagnosis.
- Photoacoustic_effect wikiPageWikiLink Category:Spectroscopy.
- Photoacoustic_effect wikiPageWikiLink Electromagnetic_radiation.
- Photoacoustic_effect wikiPageWikiLink Electron_transfer.
- Photoacoustic_effect wikiPageWikiLink Electrostriction.
- Photoacoustic_effect wikiPageWikiLink Gamma_radiation.
- Photoacoustic_effect wikiPageWikiLink Gamma_ray.
- Photoacoustic_effect wikiPageWikiLink Infrared.
- Photoacoustic_effect wikiPageWikiLink John_Tyndall.
- Photoacoustic_effect wikiPageWikiLink Leaf.
- Photoacoustic_effect wikiPageWikiLink Lichen.
- Photoacoustic_effect wikiPageWikiLink Lichens.
- Photoacoustic_effect wikiPageWikiLink Light.
- Photoacoustic_effect wikiPageWikiLink Lock-in_amplifier.
- Photoacoustic_effect wikiPageWikiLink Mechanistic_organic_photochemistry.
- Photoacoustic_effect wikiPageWikiLink Microalgae.
- Photoacoustic_effect wikiPageWikiLink Micrometre.
- Photoacoustic_effect wikiPageWikiLink Microphone.
- Photoacoustic_effect wikiPageWikiLink Microphyte.
- Photoacoustic_effect wikiPageWikiLink Microwave.
- Photoacoustic_effect wikiPageWikiLink Microwave_auditory_effect.
- Photoacoustic_effect wikiPageWikiLink Mirage.
- Photoacoustic_effect wikiPageWikiLink Nitrogen.
- Photoacoustic_effect wikiPageWikiLink Oxygen_evolution.
- Photoacoustic_effect wikiPageWikiLink Photoacoustic_spectroscopy.
- Photoacoustic_effect wikiPageWikiLink Photochemical_reactions.
- Photoacoustic_effect wikiPageWikiLink Photochemistry.
- Photoacoustic_effect wikiPageWikiLink Photophone.
- Photoacoustic_effect wikiPageWikiLink Photosynthesis.
- Photoacoustic_effect wikiPageWikiLink Photosynthetic_reaction_center.
- Photoacoustic_effect wikiPageWikiLink Photosynthetic_reaction_centre.
- Photoacoustic_effect wikiPageWikiLink Photosystem_I.
- Photoacoustic_effect wikiPageWikiLink Photosystem_II.
- Photoacoustic_effect wikiPageWikiLink Photothermal_spectroscopy.
- Photoacoustic_effect wikiPageWikiLink Piezoelectric_sensor.
- Photoacoustic_effect wikiPageWikiLink Proton_pump.
- Photoacoustic_effect wikiPageWikiLink Pulse_laser.
- Photoacoustic_effect wikiPageWikiLink Pulsed_lasers.
- Photoacoustic_effect wikiPageWikiLink Radio.
- Photoacoustic_effect wikiPageWikiLink Reaction_center.
- Photoacoustic_effect wikiPageWikiLink Refraction_index.
- Photoacoustic_effect wikiPageWikiLink Refractive_index.
- Photoacoustic_effect wikiPageWikiLink Sea_weed.
- Photoacoustic_effect wikiPageWikiLink Seaweed.
- Photoacoustic_effect wikiPageWikiLink Selenium.
- Photoacoustic_effect wikiPageWikiLink Solar_cell.
- Photoacoustic_effect wikiPageWikiLink Sound.
- Photoacoustic_effect wikiPageWikiLink Ultraviolet.
- Photoacoustic_effect wikiPageWikiLink Visible_spectrum.
- Photoacoustic_effect wikiPageWikiLink Wilhelm_Röntgen.
- Photoacoustic_effect wikiPageWikiLink X-ray.
- Photoacoustic_effect wikiPageWikiLink X-rays.
- Photoacoustic_effect wikiPageWikiLinkText "Photoacoustic effect".
- Photoacoustic_effect wikiPageWikiLinkText "photoacoustic effect".
- Photoacoustic_effect wikiPageWikiLinkText "photoacoustic".
- Photoacoustic_effect date "February 2015".
- Photoacoustic_effect hasPhotoCollection Photoacoustic_effect.
- Photoacoustic_effect section "yes".
- Photoacoustic_effect wikiPageUsesTemplate Template:Multiple_issues.
- Photoacoustic_effect wikiPageUsesTemplate Template:Overly_detailed.
- Photoacoustic_effect wikiPageUsesTemplate Template:Page_needed.
- Photoacoustic_effect wikiPageUsesTemplate Template:Refimprove_section.
- Photoacoustic_effect wikiPageUsesTemplate Template:Reflist.
- Photoacoustic_effect subject Category:Acoustics.
- Photoacoustic_effect subject Category:Articles_created_via_the_Article_Wizard.
- Photoacoustic_effect subject Category:Medical_diagnosis.
- Photoacoustic_effect subject Category:Spectroscopy.
- Photoacoustic_effect hypernym Formation.
- Photoacoustic_effect type Article.
- Photoacoustic_effect type MilitaryUnit.
- Photoacoustic_effect type Acoustic.
- Photoacoustic_effect type Article.
- Photoacoustic_effect type Dynamic.
- Photoacoustic_effect comment "The photoacoustic effect or optoacoustic effect is the formation of sound waves following light absorption in a material sample. In order to obtain this effect the light intensity must vary, either periodically (modulated light) or as a single flash (pulsed light). The photoacoustic effect is quantified by measuring the formed sound (pressure changes) with appropriate detectors, such as microphones or piezoelectric sensors.".
- Photoacoustic_effect label "Photoacoustic effect".
- Photoacoustic_effect sameAs Photoakustischer_Effekt.
- Photoacoustic_effect sameAs Photoacoustique.
- Photoacoustic_effect sameAs Effetto_fotoacustico.
- Photoacoustic_effect sameAs 光音響効果.
- Photoacoustic_effect sameAs m.0jwzbwt.
- Photoacoustic_effect sameAs Q7187702.
- Photoacoustic_effect sameAs Q7187702.
- Photoacoustic_effect sameAs 光声效应.
- Photoacoustic_effect wasDerivedFrom Photoacoustic_effect?oldid=679450359.
- Photoacoustic_effect isPrimaryTopicOf Photoacoustic_effect.