Thermally induced multi-wavelength filtering in electro-optic long period Ti:LiNbO3 waveguide grating

2018 ◽  
Vol 124 (11) ◽  
Author(s):  
Yuan Chen ◽  
Rui-Qi Piao ◽  
Chao-Yang Zhang ◽  
Zi-Bo Zhang ◽  
Jia-Qi Xu ◽  
...  
Keyword(s):  
Thermally Induced ◽  
Waveguide Grating ◽  
Long Period ◽  
Electro Optic ◽  
Multi Wavelength ◽  
Wavelength Filtering

Mode switch based on electro-optic long-period waveguide grating in lithium niobate

2015 ◽  
Vol 40 (2) ◽  
pp. 237 ◽  
Author(s):  
Wei Jin ◽  
Kin Seng Chiang
Keyword(s):  
Lithium Niobate ◽  
Mode Switch ◽  
Waveguide Grating ◽  
Long Period ◽  
Electro Optic

A wide tuning range electro-optic filter based on long-period waveguide grating

2010 ◽  
Vol 55 (13) ◽  
pp. 1338-1342 ◽  
Author(s):  
XiaoWei Guo ◽  
XiaoXia Zhang ◽  
HePing Li ◽  
Yong Liu ◽  
YongZhi Liu
Keyword(s):  
Tuning Range ◽  
Wide Tuning Range ◽  
Waveguide Grating ◽  
Long Period ◽  
Electro Optic

Electro-optic polymer waveguide grating with fast tuning capability

2005 ◽  
Vol 44 (17) ◽  
pp. 3442 ◽  
Author(s):  
Yi-Ping Wang ◽  
Jian-Ping Chen ◽  
Xin-Wan Li ◽  
Jun-He Zhou ◽  
Hao Shen ◽  
...  
Keyword(s):  
Waveguide Grating ◽  
Polymer Waveguide ◽  
Electro Optic

Wavelength Sampling and Quantizing Optical ADC Based on Long-Period Waveguide Grating Filter

2010 ◽  
Author(s):  
Qianshu Zhang ◽  
Yong Liu ◽  
Shangjian Zhang ◽  
Heping Li ◽  
Yongzhi Liu
Keyword(s):  
Waveguide Grating ◽  
Long Period ◽  
Optical Adc

The outbursts of comet 29P/SW-1 and C/2020 R4 (ATLAS)

2021 ◽  
Author(s):  
Zhong-Yi Lin ◽  
Michael S. P. Kelly ◽  
Huen-Wing Ip
Keyword(s):  
Gas Production ◽  
Active Period ◽  
Production Rates ◽  
Preliminary Results ◽  
Long Period ◽  
Level Of Activity ◽  
Multi Wavelength ◽  
Dust Coma ◽  
Period Comet

<p>We present an analysis of the dynamic dust coma of Centaur 29P/Schewassmann-Wachmann 1 and long-period comet C/2020 R4 (Atlas). Comet P/SW1 has exhibited a considerable level of activity (so-called outbursts) since its discovery in 1925. In 2011, we found the morphology of comet P/SW 1 showed dust features in the form of jets, spirals and shells. This year, we have obtained multi-wavelength observations of 29P/SW 1's dust coma at Lulin observatory and we will present preliminary results including the morphological analysis and the colour (B-V, V-R, and R-I) investigation of the dust coma when comet is at quiet and active period.</p> <p>At least three outbursts found within two weeks from comet Atlas is unusual for long-period comet. However, we didn’t find any new jet features and fragments from the morphology of comet Atlas. Except for the color investigation during the outburst, we will also give the dust/gas production rates in the comparison between pre- and post-outbursts.</p>

Design of Tunable Long-period Waveguide Grating Coupler Based on LiNbO3

2017 ◽  
Vol 46 (3) ◽  
pp. 323002
Author(s):  
李青青 LI Qing-qing ◽  
张爱玲 ZHANG Ai-ling ◽  
田红苗 TIAN Hong-miao ◽  
王钊 WANG Zhao
Keyword(s):  
Grating Coupler ◽  
Waveguide Grating ◽  
Long Period

Design of long-period waveguide grating filter by control of waveguide cladding profile

2006 ◽  
Vol 24 (9) ◽  
pp. 3540-3546 ◽  
Author(s):  
Qing Liu ◽  
Kin Seng Chiang
Keyword(s):  
Waveguide Grating ◽  
Long Period
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