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| ON THE THICKNESS OF TRANSMISSION-MODE MULTIALKALI PHOTOCATHODE | |
| 作者姓名： | 高鲁山 |
| 作者单位： | Beijing Institute |
| 摘 要： | The thickness of the transmission-mode photocathode directly affects its photoemision efficiencyand spectral response.In this paper,the relationships between the thickness and the optical absorptionof the photoeathode and the escape depth of photo-electrons are discussed,the optimum thickness of thetransmission-modo photocathode is theoretically analysed,and the method of monitoring and determiningthe optimum thickness is proposed. |
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