Abstract
The temperature dependence of the resonance frequency for a cantilever of a shape-memory alloy vibrated photothermally is described. The temperature coefficient of the resonance frequency of the alloy with memory for shape recovery was positive (2.0 × 10-2/°Q) at a temperature near the martensitic transformation, in contrast with it being negative (–2.2 × 10-3/°C) for the alloy without memory. The technique of using one laser for both excitation and detection was adopted for determining the resonance frequency of the photothermal vibration.
| Original language | English |
|---|---|
| Pages (from-to) | 5064-5066 |
| Number of pages | 3 |
| Journal | Japanese journal of applied physics |
| Volume | 33 |
| Issue number | 9 R |
| DOIs | |
| Publication status | Published - 1994 Sept |
Keywords
- Optical sensor
- Photothermal vibration
- Resonance frequency
- Shape-memory alloy
- Temperature dependence
ASJC Scopus subject areas
- Engineering(all)
- Physics and Astronomy(all)