Zobrazeno 1 - 10
of 61
pro vyhledávání: '"G. Tangonan"'
Publikováno v:
Applied optics. 12(6)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::65f12ae84353d69217cfd698c3015f40
https://pubmed.ncbi.nlm.nih.gov/20125487
https://pubmed.ncbi.nlm.nih.gov/20125487
Autor:
Koji Kageyama, Verma E. Escopalao, Naomi G. Tangonan, Mitsuro Hyakumachi, Achmadi Priyatmojo, Cecilia B Pascual, Haruhisa Suga
Publikováno v:
Phytopathology. 91(11)
A new foliar disease on coffee leaves was observed in Mindanao, Philippines, in 1996. The symptoms appeared as large circular or irregularly shaped necrotic areas with small circular necrotic spots (1 mm or less in diameter) usually found around the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77eed0ca93779ba863694865ccb6672c
https://pubmed.ncbi.nlm.nih.gov/18943440
https://pubmed.ncbi.nlm.nih.gov/18943440
Publikováno v:
2005 Pacific Rim Conference on Lasers & Electro-Optics.
A stretchable grating is fabricated from silicone. Diffraction efficiency is improved by coating the grating with a 50 nm layer of Au. Angular scanning is demonstrated as a function of applied strain.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c6a3757f7d5ac788f21358f2678dda7e
https://doi.org/10.1109/cleopr.2005.1569604
https://doi.org/10.1109/cleopr.2005.1569604
Publikováno v:
International Topical Meeting on Microwave Photonics. MWP'99. Technical Digest (Cat. No.99EX301).
We describe RF MEMS switches and their applications to tunable filters and switchable antenna elements. We describe different scenarios where RF photonic systems can benefit from RF MEMS device development.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e75e2094ec1a67e2be4c79567aed7e88
https://doi.org/10.1109/mwp.1999.819663
https://doi.org/10.1109/mwp.1999.819663
High speed single- and multi-element fiber-grating coupled diode laser transmitters for WDM networks
Publikováno v:
Conference Proceedings. LEOS'98. 11th Annual Meeting. IEEE Lasers and Electro-Optics Society 1998 Annual Meeting (Cat. No.98CH36243).
We report single- and multi-element fibre grating coupled diode laser transmitter modules that emit at ITU-designated wavelengths. In addition, we demonstrate that they can attain a direct modulation bandwidth that is as high as 4.62 GHz. Previously,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb37a53098e695fa9af37893363984fa
https://doi.org/10.1109/leos.1998.739712
https://doi.org/10.1109/leos.1998.739712
Autor:
Daniel J. Gregoire, Franklin A. Dolezal, D. Yap, Hossein Izadpanah, Willie W. Ng, G. Tangonan
Publikováno v:
International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430).
We report on the implementation and integration of gigabit fiber networks and a multi-Mbit wireless access NGI network demonstrator. The focus is to merge photonic technology and networking with the broadband wireless access system.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::151c03089c7d23e345965913622b9082
https://doi.org/10.1109/mwp.2000.889815
https://doi.org/10.1109/mwp.2000.889815
Autor:
G. Tangonan
Publikováno v:
Optical Fiber Communication Conference. Technical Digest Postconference Edition. Trends in Optics and Photonics Vol.37 (IEEE Cat. No. 00CH37079).
Summary form only given. I describe the utilization of RF photonic manifolds for signal gathering and beam steering applications in antenna systems. We focus on the receiver architecture for radars and communication systems and how photonic downconve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd5cca9ee2b5cd7f22f3683d27aec881
https://doi.org/10.1109/ofc.2000.869438
https://doi.org/10.1109/ofc.2000.869438
Publikováno v:
Applied Physics Letters. 61:2878-2880
We quantitatively study the electric field distributions in Hg0.56Cd0.44Te avalanche photodiodes recently reported for use in the 1.6–2.5 μm wavelength region using a two‐dimensional solution of Poisson’s equation. It is found that, contrary t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6bfb3967261f17abeb845ef5b383cb3
https://doi.org/10.1063/1.108063
https://doi.org/10.1063/1.108063
Publikováno v:
1999 IEEE MTT-S International Topical Symposium on Technologies for Wireless Applications (Cat. No. 99TH8390).
We present novel wireless transceiver architecture based on microelectromechanical (MEM) microwave switches. The measurements and calculated results of a reconfigurable module with a switched antenna, tunable filter, and shared components for a low w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74c3b7ed6bae72dc7c224f94cd546e44
https://doi.org/10.1109/mtttwa.1999.755158
https://doi.org/10.1109/mtttwa.1999.755158
Autor:
W. Ng, G. Tangonan
Publikováno v:
Optical Society of America Annual Meeting.
The radiated beam of an electronically steered microwave phased- array antenna is steered by controlling the relative phase between successive radiating elements of the array. Fiber-optic delay lines offer a lightweight, compact solution to accomplis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b377f0f2de898ff2816db797f835eb3
https://doi.org/10.1364/oam.1990.fee2
https://doi.org/10.1364/oam.1990.fee2