Fabrication and evaluation of a freestanding pyroelectric detector made from single-crystal LiNbO3 film

被引:25
作者
Lehman, JH
Radojevic, AM
Osgood, RM
Levy, M
Pannell, CN
机构
[1] Natl Inst Stand & Technol, Sources & Detectors Grp, Boulder, CO 80303 USA
[2] Columbia Univ, Microelect Sci Labs, New York, NY 10027 USA
[3] Univ Kent, Sch Phys Sci, Canterbury CT2 7NZ, Kent, England
关键词
Lithium niobate - Photodetectors - Pyroelectricity - Spurious signal noise;
D O I
10.1364/OL.25.001657
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We have packaged a rectangular 3 mm x 4 mm, 10-mum-thick Z-cut lithium niobate (LiNbO3) film produced by crystal ion slicing (CIS) and evaluated its performance as a pyroelectric optical detector. We justify the difficulty of preparing the film by showing that the freestanding detector has much greater sensitivity than the same detector bonded to a substrate. We compare the sensitivity of three CIS-film detectors with that of a detector based on a 230-mum-thick LiNbO3 plate and describe the detectors' spatial uniformity and noise-equivalent power. OCIS codes: 040.0040, 160.1890, 160.2260, 160.3730.
引用
收藏
页码:1657 / 1659
页数:3
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