planar microlens
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Planar microlenses for near infrared CMOS image sensors

2020 ◽  
Vol 2020 (7) ◽  
pp. 144-1-144-7
Author(s):  
L. Dilhan ◽  
J. Vaillant ◽  
A. Ostrovsky ◽  
L. Masarotto ◽  
C. Pichard ◽  
...  
Keyword(s):  
Near Infrared ◽  
Image Sensors ◽  
Cmos Image Sensors ◽  
Planar Microlens ◽  
Diffractive Microlens

In this paper we present planar microlenses designed to improve the sensitivity of SPAD pixels. We designed diffractive and metasurface planar microlens structures based on rigorous optical simulations. The current melted microlens solution and designed diffractive microlens were implemented on STMicroelectronics 40nm CMOS testchips (32 × 32 SPAD array), and average gains of 1.9 and 1.4 in sensitivity respectively were measured, compared to a SPAD without microlens.

Ultrathin Planar Microlens Arrays Based on Geometric Metasurface

2017 ◽  
Vol 530 (2) ◽  
pp. 1700326 ◽  
Author(s):  
Jinjin Jin ◽  
Xiaohu Zhang ◽  
Ping Gao ◽  
Jun Luo ◽  
Zuojun Zhang ◽  
...  
Keyword(s):  
Microlens Arrays ◽  
Planar Microlens

Subwavelength focus of light by a planar microlens

2016 ◽  
Vol 64 (5) ◽  
pp. 478-483 ◽  
Author(s):  
Anton Gennadyevich Nalimov ◽  
Victor Victorovich Kotlyar
Keyword(s):  
Planar Microlens

Cylindrical planar microlens based on diffraction of parallel metallic nanowires

2012 ◽  
Vol 29 (12) ◽  
pp. 3277
Author(s):  
Omar Ziane ◽  
Soraya Zaiba ◽  
Timothe Kouriba ◽  
Jocelyne Bosson ◽  
Guy Vitrant ◽  
...  
Keyword(s):  
Metallic Nanowires ◽  
Planar Microlens

Optical properties of square-aperture planar microlens array

2011 ◽  
Author(s):  
Jie Chen ◽  
Fengjun Zhang ◽  
Xiaomei Chen ◽  
Zhifang Zhao ◽  
Sumei Zhou ◽  
...  
Keyword(s):  
Optical Properties ◽  
Microlens Array ◽  
Planar Microlens

Imaging properties of the rotundity planar microlens array

2011 ◽  
Author(s):  
Zhifang Zhao ◽  
Xiaomei Chen ◽  
Fengjun Zhang ◽  
Jie Chen ◽  
Sumei Zhou ◽  
...  
Keyword(s):  
Microlens Array ◽  
Planar Microlens ◽  
Imaging Properties

Dynamic display of square-aperture planar microlens arrays

2010 ◽  
Author(s):  
Fengjun Zhang ◽  
Xiaomei Chen ◽  
Zhifang Zhao ◽  
Jie Chen ◽  
Sumei Zhou ◽  
...  
Keyword(s):  
Microlens Arrays ◽  
Dynamic Display ◽  
Planar Microlens
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