Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Unnikrishnan Gopinathan"'
Publikováno v:
In Optik April 2020 207
Publikováno v:
IEEE Sensors Journal. 21:20870-20877
Polymer modified Quartz Tuning Fork sensor array with three sensors has been developed to classify 1,4-dimethoxy-2, 3-butanediol (BD), cyclohexanone (CH), ethanol, methanol and acetone with various concentrations. Linear Discriminant Analysis (LDA),
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::debfda65237f798ea22ef55b45f90ad9
https://doi.org/10.1109/jsen.2021.3099537
https://doi.org/10.1109/jsen.2021.3099537
Autor:
Unnikrishnan Gopinathan, Alok Jain, Abhishek Sharma, Nitika Gupta, Devnath Dhirhe, Arvind Yelashetty
Publikováno v:
Journal of Russian Laser Research. 41:86-93
We report high-performance broad-area eight-layer InAs/GaAs quantum-dot lasers (QDLs) emitting at 1.3 μm in the pulse and continuous-wave (CW) operations. Operational characteristics of the fabricated QDLs, including the emission wavelength, output
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a62012f078480e0289b6d7f0edc97b8
https://doi.org/10.1007/s10946-020-09851-3
https://doi.org/10.1007/s10946-020-09851-3
Publikováno v:
Measurement Science and Technology. 33:065403
We report noise reduction and image enhancement in scanning electron microscope (SEM) imaging while maintaining a fast scan rate during imaging, using a deep convolutional neural network (D-CNN). SEM images of non-conducting samples without a conduct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b433aef27e0a0bcdcb0d8d739f6b6ef4
https://doi.org/10.1088/1361-6501/ac4a19
https://doi.org/10.1088/1361-6501/ac4a19
Publikováno v:
Journal of the Optical Society of America. A, Optics, image science, and vision. 37(8)
Linear canonical transformation (LCT) provides a generalized and elegant mathematical framework for analyzing the coherence properties of an electromagnetic (EM) beam propagating in quadratic phase systems (QPSs). It is shown that LCT may be used to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2ac4be455c48dd5161a390f0a5e4018
https://pubmed.ncbi.nlm.nih.gov/32749269
https://pubmed.ncbi.nlm.nih.gov/32749269
Autor:
Majumdar, Ramanath, Miller, Dylan V., Ballman, Karla V., Unnikrishnan, Gopinathan, McKellar, Stephen H., Sarkar, Gobinda, Sreekumar, Raghavakaimal, Bolander, Mark E., Sundt, Thoralf M., III
Publikováno v:
In Cardiovascular Pathology 2007 16(3):144-150
Publikováno v:
Linear Canonical Transforms ISBN: 9781493930272
Phase retrieval is one of the most interesting and widely researched inverse problems in optical sciences. Since all the forward problems based on real-world physical phenomenon involve some loss of information, the corresponding inverse problem is i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae16044b983ca2f8d074eab610d8694d
https://doi.org/10.1007/978-1-4939-3028-9_11
https://doi.org/10.1007/978-1-4939-3028-9_11
Publikováno v:
Journal of Display Technology. 6:479-483
We demonstrate imaging of microscopic objects using a lensless in-line 3D digital holographic microscope at vacuum UV wavelength of 193 nm. The absence of microscope objective and a separate reference beam simplifies the setup and reduces the number
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eaf30480efd8a8af42104e47a415bf0a
https://doi.org/10.1109/jdt.2010.2048301
https://doi.org/10.1109/jdt.2010.2048301
Autor:
David S. Monaghan, Guohai Situ, Unnikrishnan Gopinathan, John T. Sheridan, Thomas J. Naughton
Publikováno v:
Optics Communications. 282:482-492
A phase encoded image is encrypted using the double random phase encoding technique, (DRPE). The effects of using a variable dynamic range of phase distribution during phase encoding (pre-encryption) are examined. We begin by phase encoding the input
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b321f9bc9703587fddcda4eac3c67483
https://doi.org/10.1016/j.optcom.2008.10.047
https://doi.org/10.1016/j.optcom.2008.10.047