レーザ発振特性とレーザマイクロホンの音波検出特性の研究

Material type: 文書・図像類

Author: 吉元, 裕哉ほか

Publisher: 愛知工業大学

Publication date: 2014-03-31

Material Format: Digital

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Note (General)：: Since the vibrating film is used for a conventional microphone, the detectable frequency is restricted. Recently, the influence on the human body by t...

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Material Type: 文書・図像類
Title: レーザ発振特性とレーザマイクロホンの音波検出特性の研究
Author/Editor: 吉元, 裕哉
五島, 敬史郎
津田, 紀生
山田, 諄
Author Heading: 吉元, 裕哉
五島, 敬史郎
津田, 紀生
山田, 諄
Publication, Distribution, etc.: 愛知工業大学
Publication Date: 2014-03-31
Publication Date (W3CDTF): 2014-03-31
Alternative Title: レーザハッシントクセイトレーザマイクロホンノオンパケンシュツトクセイノケンキュウ
Study on the sound wave detection characteristic of a laser microphone on laser spectrum
Periodical title: 愛知工業大学研究報告 = Bulletin of Aichi Institute of Technology
No. or year of volume/issue: 49
Volume: 49
Pages: 111-116
ISSN (Periodical Title): ISSN : 1883-3217
Text Language Code: jpn
Target Audience: 一般
Note (General): Since the vibrating film is used for a conventional microphone, the detectable frequency is restricted. Recently, the influence on the human body by the sound wave of low frequency or high frequency from various apparatuses or equipments has become a problem. It is necessary to detect the sound wave of such frequency. A new type of microphone by using self-coupling effect of semiconductor laser has been studied. It is called the laser microphone. This microphone consists of laser and a light reflector, and it is not necessary to post-process a signal. Difference in coherence reflects on the sensitivity of the laser microphone. Therefore spectrum of laser is measured. It is understood that the laser microphone becomes sensitive if coherence is better and light power is higher. The laser microphone can detect a sound with frequency to 24 kHz.
identifier:http://repository.aitech.ac.jp/dspace/handle/11133/2750
Access Restrictions: 限定公開
Periodical Title (NCID): AA12337561
https://ci.nii.ac.jp/ncid/AA12337561
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 愛知工業大学 : 愛知工業大学学術情報リポジトリ