Warning: Undefined variable $type in /home/users/1/sub.jp-asate/web/wiki/extensions/HeadScript/HeadScript.php on line 3

Warning: "continue" targeting switch is equivalent to "break". Did you mean to use "continue 2"? in /home/users/1/sub.jp-asate/web/wiki/includes/json/FormatJson.php on line 297

Warning: Trying to access array offset on value of type bool in /home/users/1/sub.jp-asate/web/wiki/includes/Setup.php on line 660

Warning: session_name(): Session name cannot be changed after headers have already been sent in /home/users/1/sub.jp-asate/web/wiki/includes/Setup.php on line 834

Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /home/users/1/sub.jp-asate/web/wiki/includes/session/PHPSessionHandler.php on line 126

Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /home/users/1/sub.jp-asate/web/wiki/includes/session/PHPSessionHandler.php on line 127

Warning: session_cache_limiter(): Session cache limiter cannot be changed after headers have already been sent in /home/users/1/sub.jp-asate/web/wiki/includes/session/PHPSessionHandler.php on line 133

Warning: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent in /home/users/1/sub.jp-asate/web/wiki/includes/session/PHPSessionHandler.php on line 140

Warning: Private methods cannot be final as they are never overridden by other classes in /home/users/1/sub.jp-asate/web/wiki/includes/actions/Action.php on line 67

Warning: "continue" targeting switch is equivalent to "break". Did you mean to use "continue 2"? in /home/users/1/sub.jp-asate/web/wiki/languages/LanguageConverter.php on line 773

Warning: Cannot modify header information - headers already sent by (output started at /home/users/1/sub.jp-asate/web/wiki/extensions/HeadScript/HeadScript.php:3) in /home/users/1/sub.jp-asate/web/wiki/includes/WebResponse.php on line 46

Warning: Cannot modify header information - headers already sent by (output started at /home/users/1/sub.jp-asate/web/wiki/extensions/HeadScript/HeadScript.php:3) in /home/users/1/sub.jp-asate/web/wiki/includes/WebResponse.php on line 46

Warning: Cannot modify header information - headers already sent by (output started at /home/users/1/sub.jp-asate/web/wiki/extensions/HeadScript/HeadScript.php:3) in /home/users/1/sub.jp-asate/web/wiki/includes/WebResponse.php on line 46
光電管 - miniwiki

光電管

提供: miniwiki

2016/8/4/ (木) 21:03時点におけるja>関西文化学術研究員による版 (→‎関連項目: Category:真空管に変更)

(差分) ← 古い版 | 最新版 (差分) | 新しい版 → (差分)

移動先:案内、検索

ファイル:Fotozelle.jpg

光電管

光電管（こうでんかん、英: Phototube）は、光電効果を利用して光エネルギーを電気エネルギーに変換する光検出用電子管で、高真空（または不活性ガス入り）のガラス容器中に、光電陰極 (Photocathode) と陽極 (Anode) を設けた構造を基本とする。光電陰極（－）と陽極（＋）間に電圧を与え、光電陰極に光を入射し、陽極から信号電流を取り出して使用する。光電面には仕事関数の小さいアルカリ金属が用いられる。

案内メニュー

Warning: Cannot modify header information - headers already sent by (output started at /home/users/1/sub.jp-asate/web/wiki/extensions/HeadScript/HeadScript.php:3) in /home/users/1/sub.jp-asate/web/wiki/includes/WebResponse.php on line 46

Warning: Cannot modify header information - headers already sent by (output started at /home/users/1/sub.jp-asate/web/wiki/extensions/HeadScript/HeadScript.php:3) in /home/users/1/sub.jp-asate/web/wiki/includes/WebResponse.php on line 46

Warning: Cannot modify header information - headers already sent by (output started at /home/users/1/sub.jp-asate/web/wiki/extensions/HeadScript/HeadScript.php:3) in /home/users/1/sub.jp-asate/web/wiki/includes/WebResponse.php on line 46

Warning: Cannot modify header information - headers already sent by (output started at /home/users/1/sub.jp-asate/web/wiki/extensions/HeadScript/HeadScript.php:3) in /home/users/1/sub.jp-asate/web/wiki/includes/WebResponse.php on line 46

光電管

関連項目

案内メニュー

表示

個人用ツール

navigation

search

tool