微分光電流の英語

埋め込み型半導体レーザにおいて、高温、高光出力条件下で連続通電した場合における発振しきい値電流の上昇や外部微分量子効率の低下を防いで、信頼性を向上させる。例文帳に追加

To improve the reliability of a buried type semiconductor laser by preventing an increase in oscillation threshold current and a decrease in external differential quantum efficiency in cases where the semiconductor laser is energized continuously under conditions of high temperature and high optical output. - 特許庁

その結果、空洞４９で起こるレーザ光の吸収が抑制されて、特に５０mＷ以上の高出力発振領域において微分効率が高まり、駆動電流および動作電圧が双方共に低くなる。例文帳に追加

As a result, a laser light rising within the void 49 is prevented from being absorbed, and especially differential efficiency can be improved in a high output oscillation area of 50 mW or more, reducing both driving current and operation voltage. - 特許庁

帯電バイアスの交流電圧Ｖｐｐを順次変化させつつ感光体流れ込み電流Ｉｄｃを測定し、１回微分値ΔＩｄｃ／ΔＶｐｐが所定値以下になるときの交流電圧Ｖｐｐを最適電圧として選択する。例文帳に追加

An influx current Idc to the photoreceptor is measured while successively changing the AC voltage Vpp of the charging bias, and AC voltage Vpp obtained when a single differentiated value ΔIdc/ΔVpp is equal to or under a predetermined value is selected as optimum voltage. - 特許庁

測定用レーザ光による測定が、正弦波で変調された注入電流により発振された測定用レーザ光を用い、受光器で光電変換された電気信号をロックインアンプに入力し、前記正弦波を参照信号として二次微分処理を行うものである。例文帳に追加

For measurement by the laser beam for the measurement, the laser beam for the measurement oscillated by an injection current modulated by sine waves is used, electric signals photoelectrically converted in a light receiver are input to a lock-in amplifier, and secondary differentiation processing is performed with the sine waves as reference signals. - 特許庁

低光出力値と高光出力値とで使用される評価対象となる半導体レーザ装置の上記低光出力値と高光出力値との間のＩ‐Ｌ特性において、駆動電流Ｉｏｐ１ｍＡ毎の傾きを算出して微分効率ηとする。例文帳に追加

In an I-L characteristic between low light output and high light out put values of a semiconductor laser device which is used at the low light output value and high out put value as an evaluated device, a gradient per each 1 mA of a drive current Iop is calculated to define as a differential efficiency η. - 特許庁

光源の閾値電流及び微分量子効率が変動してもデータ欠損を生じさせる特殊記録パルスの発生や記録動作中断を行わずに常に所望の出力光量が得られるように駆動電流を制御すると共に、情報記録開始直後では高速に所望の出力光量に制御できるようにする。例文帳に追加

To control a drive current for always obtaining desired output light intensity, without the occurrence of special write pulses or interruptions of record operation which incurs data missing, even if a threshold current and differential quantum efficiency of a light source vary, and also to control it to obtain the desired output light intensity at a high speed, immediately after the start of information recording. - 特許庁

帯電ローラ２１に印加された電圧の振幅値を第１検出値として検出し、帯電電圧の微分波形の振幅値を第２検出値として検出し、帯電ローラ２１から感光体に流れる交流電流を第３検出値として検出する。例文帳に追加

The amplitude value of a voltage applied to the charging roller 21 is detected as a first detection value, the amplitude value of the differential waveform of a charging voltage is detected as a second detection value, and an AC current flowing into a photoreceptor from the charging roller 21 is detected as a third detection value. - 特許庁