Kun Xia,Xiang Li,Xueyong Li et al.
Kun Xia et al.
In response to environmental pollution and the spread of Coronavirus Disease 2019 (COVID-19), this paper proposes a new type of smart mask design, and specifically proposes an optimized double closed-loop control method, especially an impro...
Broadly tunable, low timing jitter, high repetition rate optoelectronic comb generator [0.03%]
大调谐范围、低时序抖动、高重复频率的光电梳发生器
A J Metcalf,F Quinlan,T M Fortier et al.
A J Metcalf et al.
We investigate the low timing jitter properties of a tunable single-pass optoelectronic frequency comb generator. The scheme is flexible in that both the repetition rate and center frequency can be continuously tuned. When operated with 10 ...
M Crotti,I Rech,A Gulinatti et al.
M Crotti et al.
We propose a novel circuit for single photon avalanche diode (SPAD) current read-out, for photon timing applications. The circuit consists of a single transistor trans-impedance amplifier with a GHz bandwidth: the feedback loop fixes the SP...
High-sweep-rate 1310 nm MEMS-VCSEL with 150 nm continuous tuning range [0.03%]
一种高扫频率的MEMS-VCSEL激光器(1310nm工作波长,调谐范围150nm)
V Jayaraman,G D Cole,M Robertson et al.
V Jayaraman et al.
Microelectromechanical-systems-based vertical-cavity surface-emitting lasers (MEMS-VCSELs) capable of a 150 nm continuous tuning range near 1310 nm are demonstrated. These devices employ a thin optically pumped active region structure with ...
Rapidly swept, ultra-widely-tunable 1060 nm MEMS-VCSELs [0.03%]
一种用于1060nm的MEMS可调面发射激光器,具有超宽调谐范围和快速扫描能力
V Jayaraman,G D Cole,M Robertson et al.
V Jayaraman et al.
Demonstrated are 1060 nm microelectromechanical-systems-based tunable vertical-cavity surface-emitting lasers (MEMS-VCSELs) with a 100 nm continuous tuning range under repetitively scanned operation at rates beyond 500 kHz and a 90 nm conti...
Power voltage current convertor using quasi complementary MOSFET current mirrors [0.03%]
一种利用类互补CMOS电流镜的电-电压-电流转换器
R A Maclachlan,C N Riviere
R A Maclachlan
A voltage current convertor is described having a quasi complementary class AB architecture that is particularly suited to implementation using discrete power MOSFETs. High-voltage mirror designs are presented, enabling the construction of ...
J-H Han,X Liu,C G Song et al.
J-H Han et al.
A simple common path optical coherence tomography using a fibre optic bundle as a probe is demonstrated experimentally. The mechanical lateral scans are accomplished outside the specimen, proximal entrance of the fibre bundle, which elimina...