Results 151 to 160 of about 87,657 (169)

Focussing of ultrasonic waves in air using a micromachined Fresnel zone-plate

Ultrasonics, 1997
D W Schindel, D A Hutchins
exaly  

Focusing Properties of Fresnel Zone Plate Lens Antennas in the Near-Field Region

IEEE Transactions on Antennas and Propagation, 2011
Shaya Karimkashi, Ahmed A Kishk
exaly  

Fabrication of large-scale multilevel phase-type Fresnel zone plate arrays by femtosecond laser direct writing

Optics Communications, 2016
Yan-Hao Yu, Zhen-Nan Tian, Li-Gang Niu   +2 more
exaly  

The Fresnel-Zone Plate Antenna

2007
openaire   +1 more source

Experimental demonstration of square Fresnel zone plate with chiral side lobes.

Applied Optics, 2017
A. Vijayakumar, B. Vinoth, I. Minin, Joseph Rosen, O. Minin, Chau-Jern Cheng   +5 more
semanticscholar   +1 more source

Thin Fresnel zone plate lenses for focusing underwater sound

Applied Physics Letters, 2015
David C Calvo, Michael Nicholas, Calvo David C   +2 more
exaly  

Fresnel Zone Plate Antenna

2015
openaire   +1 more source

Fresnel zone plate with apodized aperture for hard X-ray Gaussian beam optics

Journal of Synchrotron Radiation, 2017
Akihisa Takeuchi, Kentaro Uesugi, Yoshio Suzuki   +2 more
exaly  

Optical Method for Producing Fresnel Zone Plates

Applied Optics, 1968
openaire   +2 more sources

Hard X-ray microbeam lithography using a Fresnel zone plate with a long focal length

Journal of Synchrotron Radiation, 2011
Do Young Noh
exaly