レーザ照射部のフラッシュ温度測定　光カプラ型２色温度計の適用

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書誌事項

タイトル別名
  • Measurement of Flush Temperature of Ceramics Irradiated with CO2 Laser. Application of Two-color Pyrometer Using Fused Fiber Coupler.
  • レーザ ショウシャブ ノ フラッシュ オンド ソクテイ ヒカリ カプラガタ 2
  • Application of Two-color Pyrometer Using Fused Fiber Coupler
  • 光カプラ型2色温度計の適用

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A new type of Infrared Radiation Pyrometer using a fused fiber coupler is made, and its characteristics are investigated theoretically and experimentally. This pyrometer can be applied to measure the flush temperature of a small area on ceramics (PSZ) when it is irradiated with CO2 laser. In this pyrometer, the infrared rays radiated from the object are accepted by an optical fiber, and divided into two parts and transmitted to the two types of infrared detectors by a fused fiber coupler. The temperature is obtained by calculating the ratio of the output voltages from these two detectors. The characteristics of this pyrometer are as follows. It is possible to measure the temperature with controlling the disturbance of the emissivity. When the object has a surface of uniform temperature, the measuring temperature does not depend on the size of the object. In the case when the object has the distribution in temperature, it is possible to estimate the maximum temperature correctly from the experimental results

収録刊行物

  • 精密工学会誌

    精密工学会誌 61 (2), 278-282, 1995

    公益社団法人 精密工学会

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