Corneal Endothelial Changes with Transversal and Torsional Ultrasound

2015 ◽  
Vol 21 ◽  
pp. 14-20
Author(s):  
Ismail Hamza ◽  
Mona El-Fiky ◽  
Mohamed Ibrahim Saleh
Keyword(s):  
Torsional Ultrasound

Torsional ultrasound handpiece

2002 ◽  
Vol 112 (6) ◽  
pp. 2512
Author(s):  
Mikhail Boukhny
Keyword(s):  
Torsional Ultrasound

Torsional ultrasound efficiency under different vacuum levels in different degrees of nuclear cataract

2009 ◽  
Vol 35 (11) ◽  
pp. 1941-1945 ◽  
Author(s):  
Yujuan Wang ◽  
Yuanling Xia ◽  
Mingbing Zeng ◽  
Xialin Liu ◽  
Lixia Luo ◽  
...  
Keyword(s):  
Nuclear Cataract ◽  
Torsional Ultrasound

scholarly journals Model for a Torsional-Mode Ultrasonic Transducer for an Acousto-Optic In-Fiber Isolator

2010 ◽  
Vol 2010 ◽  
pp. 1-10
Author(s):  
Gerald T. Moore
Keyword(s):  
Narrow Band ◽  
Ultrasonic Transducer ◽  
Acoustic Velocity ◽  
Fiber Amplifiers ◽  
Acoustic Absorption ◽  
Optical Polarization ◽  
Torsional Mode ◽  
Cylindrical Fiber ◽  
Almost All ◽  
Torsional Ultrasound

Torsional ultrasound modes can couple the optical polarization states in a birefringent fiber. Polarization coupling produced by interaction with a higher-order torsional mode slightly above its cutoff may provide a route to producing an in-fiber isolator suitable for use in narrow-band high-power fiber amplifiers. This paper describes a model of a transducer generating torsional modes in a cylindrical fiber. This model predicts that almost all of the power applied to the transducer is radiated into the desired mode. The paper also discusses effects produced by acoustic absorption and the dependence of the acoustic velocity on temperature.

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