Three-photon photoemission from GaAs-O-Cs negative electron affinity surfaces induced by 2.06 μm nanosecond laser pulses <AUTHGRP>

Liming Wang; Zhao Cheng; Qi Ping; Xun Hou

doi:10.1063/1.115518

Three-photon photoemission from GaAs-O-Cs negative electron affinity surfaces induced by 2.06 μm nanosecond laser pulses <AUTHGRP>

Liming Wang
, Zhao Cheng
, Qi Ping
, Xun Hou

CAS - Xi'an Institute of Optics and Precision Mechanics

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Three-photon photoemission effect on GaAs-O-Cs negative electron affinity surfaces (NEA) was studied by using a nanosecond pulsed laser at 2.06 μm wavelength. The photocurrent densities from the photocathodes with different sensitivities were measured as a function of laser intensity at both room and liquid nitrogen temperatures (77 K). The dependence of photocurrent density on the light intensity shows a typical slope of three in logarithmic plot. The results are interpreted in terms of multiphoton photoemission (MPPE) effect. The influence of thermal electron emission to MPPE are discussed.

Original language	English
Pages (from-to)	91
Number of pages	1
Journal	Applied Physics Letters
Volume	67
DOIs	https://doi.org/10.1063/1.115518
State	Published - 1994
Externally published	Yes

Access to Document

10.1063/1.115518

Cite this

@article{e03b1c5b78ec4dc0a1b55d9270ac3448,

title = "Three-photon photoemission from GaAs-O-Cs negative electron affinity surfaces induced by 2.06 μm nanosecond laser pulses ",

abstract = "Three-photon photoemission effect on GaAs-O-Cs negative electron affinity surfaces (NEA) was studied by using a nanosecond pulsed laser at 2.06 μm wavelength. The photocurrent densities from the photocathodes with different sensitivities were measured as a function of laser intensity at both room and liquid nitrogen temperatures (77 K). The dependence of photocurrent density on the light intensity shows a typical slope of three in logarithmic plot. The results are interpreted in terms of multiphoton photoemission (MPPE) effect. The influence of thermal electron emission to MPPE are discussed.",

author = "Liming Wang and Zhao Cheng and Qi Ping and Xun Hou",

year = "1994",

doi = "10.1063/1.115518",

language = "英语",

volume = "67",

pages = "91",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

}

TY - JOUR

T1 - Three-photon photoemission from GaAs-O-Cs negative electron affinity surfaces induced by 2.06 μm nanosecond laser pulses

AU - Wang, Liming

AU - Cheng, Zhao

AU - Ping, Qi

AU - Hou, Xun

PY - 1994

Y1 - 1994

N2 - Three-photon photoemission effect on GaAs-O-Cs negative electron affinity surfaces (NEA) was studied by using a nanosecond pulsed laser at 2.06 μm wavelength. The photocurrent densities from the photocathodes with different sensitivities were measured as a function of laser intensity at both room and liquid nitrogen temperatures (77 K). The dependence of photocurrent density on the light intensity shows a typical slope of three in logarithmic plot. The results are interpreted in terms of multiphoton photoemission (MPPE) effect. The influence of thermal electron emission to MPPE are discussed.

AB - Three-photon photoemission effect on GaAs-O-Cs negative electron affinity surfaces (NEA) was studied by using a nanosecond pulsed laser at 2.06 μm wavelength. The photocurrent densities from the photocathodes with different sensitivities were measured as a function of laser intensity at both room and liquid nitrogen temperatures (77 K). The dependence of photocurrent density on the light intensity shows a typical slope of three in logarithmic plot. The results are interpreted in terms of multiphoton photoemission (MPPE) effect. The influence of thermal electron emission to MPPE are discussed.

UR - https://www.scopus.com/pages/publications/0029634511

U2 - 10.1063/1.115518

DO - 10.1063/1.115518

M3 - 文章

AN - SCOPUS:0029634511

SN - 0003-6951

VL - 67

SP - 91

JO - Applied Physics Letters

JF - Applied Physics Letters

ER -

Three-photon photoemission from GaAs-O-Cs negative electron affinity surfaces induced by 2.06 μm nanosecond laser pulses <AUTHGRP>

Abstract

Access to Document

Other files and links

Fingerprint

Cite this