Time resolved temperature measurement of polymer surface irradiated by mid-IR free electron laser

Mitsunori Araki, Tomoyuki Chiba, Takahiro Oyama, Takayuki Imai, Koichi Tsukiyama

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

We have developed the time-resolved temperature measurement system by using a radiation thermometer FLIR SC620. Temporal temperature profiles of an acrylic resin surface by the irradiation of infrared free electron laser (FEL) pulse were recorded in an 8 ms resolution to measure an instantaneous temperature rise and decay profile. Under the single-shot condition, a peak temperature defined as the temperature jump from the ambient temperature was found to be proportional to the absorbance. Under the multi-shot condition, the temperature accumulation was found to reach a roughly constant value where the supply and release of the heat is balanced.

Original languageEnglish
Pages (from-to)11-14
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume405
DOIs
Publication statusPublished - 15 Aug 2017

Keywords

  • Acrylic resin
  • Free-electron laser
  • Thermography

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