PMID- 24517798
OWN - NLM
STAT- MEDLINE
DCOM- 20141010
LR  - 20140212
IS  - 1089-7623 (Electronic)
IS  - 0034-6748 (Linking)
VI  - 85
IP  - 1
DP  - 2014 Jan
TI  - Investigation on the comparability of the light spot hydrophone and the fiber 
      optic hydrophone in lithotripter field measurements.
PG  - 014902
LID - 10.1063/1.4861355 [doi]
AB  - Optical hydrophones are optimized pressure-pulse-sensors used for high-power 
      shockwave sources, such as lithotripters. Recent investigation of Smith et al. 
      ["A Comparison of light spot hydrophone and fiber optic probe hydrophone for 
      lithotripter field characterization," Rev. Sci. Instrum. 83, 014301 (2012)] show 
      discrepancies in the negative pressure peak and tensile pulse duration regarding 
      measurements carried out with two optical hydrophones: the Light Spot Hydrophone 
      (LSHD) and the fiber optic hydro-phone. It was assumed that the differences arise 
      from cavitation effects at the end-face of the LSHD glass-block and filter 
      characteristics of the trans-impedance amplifier of the LSHD. The present study 
      investigates the transfer-function of the LSHD. It is shown that the filter 
      characteristics of the amplifier cause discrepancies in the rarefaction pressure 
      pulse fraction (depending on the energy settings of the source 15 +/- 2%).
FAU - Rad, Abtin Jamshidi
AU  - Rad AJ
AD  - Department Life Sciences, Hamburg University of Applied Sciences, Hamburg 21033, 
      Germany.
FAU - Ueberle, Friedrich
AU  - Ueberle F
AD  - Department Life Sciences, Hamburg University of Applied Sciences, Hamburg 21033, 
      Germany.
FAU - Krueger, Klaus
AU  - Krueger K
AD  - Department Mechanical Engineering, Helmut Schmidt University, Hamburg 22043, 
      Germany.
LA  - eng
PT  - Journal Article
PL  - United States
TA  - Rev Sci Instrum
JT  - The Review of scientific instruments
JID - 0405571
SB  - IM
MH  - *Light
MH  - *Optical Fibers
MH  - *Transducers
MH  - Ultrasonics/*instrumentation
EDAT- 2014/02/13 06:00
MHDA- 2014/10/11 06:00
CRDT- 2014/02/13 06:00
PHST- 2014/02/13 06:00 [entrez]
PHST- 2014/02/13 06:00 [pubmed]
PHST- 2014/10/11 06:00 [medline]
AID - 10.1063/1.4861355 [doi]
PST - ppublish
SO  - Rev Sci Instrum. 2014 Jan;85(1):014902. doi: 10.1063/1.4861355.