AI Article Synopsis
- The study investigates how the intensity of anti-Stokes luminescence from Rhodamine 101 changes with temperature to measure local temperature variations at a surface using attenuated total reflection (ATR) with laser heating.
- The technique allows for temperature mapping within a confined area by detecting the evanescent luminescence generated during the process.
- By adjusting the observation angle (θ), researchers can alter the near-field penetration depth and effectively visualize spatial temperature changes.
Article Abstract
Strong temperature dependence of anti-Stokes luminescence intensity from Rhodamine 101 is used to probe local temperature variation at a surface region in the attenuated total reflection geometry (ATR), when heating with laser light. In this method, the measured region can be limited by observing evanescent luminescence. The near-field depth (penetration depth) was changed by the observation angle θ of the evanescent luminescence and the spatial temperature variation was observed.
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| http://dx.doi.org/10.1364/OE.24.019026 | DOI Listing |
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