Dependence of the x‐ray photoacoustic signal intensity of copper on sample thickness and modulation frequency

1992 ◽  
Vol 72 (11) ◽  
pp. 5187-5189
Author(s):  
Taro Toyoda ◽  
T. Masujima ◽  
H. Shiwaku ◽  
M. Ando
Keyword(s):  
Signal Intensity ◽  
Modulation Frequency ◽  
Photoacoustic Signal ◽  
Sample Thickness ◽  
X Ray

Dependence of the X-Ray Photoacoustic Signal Intensity of Brass on Sample Thickness and Modulation Frequency

1992 ◽  
Vol 31 (Part 1, No. 8) ◽  
pp. 2648-2649 ◽  
Author(s):  
Taro Toyoda ◽  
Tsutomu Masujima ◽  
Hideaki Shiwaku ◽  
M. Ando
Keyword(s):  
Signal Intensity ◽  
Modulation Frequency ◽  
Photoacoustic Signal ◽  
Sample Thickness ◽  
X Ray

Dependence of the X-Ray Photoacoustic Signal Intensity of Pure Copper and Brass on Sample Thickness

1993 ◽  
Vol 32 (Part 1, No. 5B) ◽  
pp. 2554-2556 ◽  
Author(s):  
Taro Toyoda ◽  
Tsutomu Masujima ◽  
Hideaki Shiwaku ◽  
Masami Ando
Keyword(s):  
Signal Intensity ◽  
Pure Copper ◽  
Photoacoustic Signal ◽  
Sample Thickness ◽  
X Ray

Study of thin smectic A samples by a photoacoustic technique

1986 ◽  
Vol 64 (9) ◽  
pp. 1230-1233 ◽  
Author(s):  
G. Louis ◽  
P. Peretti ◽  
J. Billard ◽  
B. Mangeot
Keyword(s):  
Phase Transitions ◽  
Liquid Crystal ◽  
Thermal Diffusivity ◽  
Modulation Frequency ◽  
Rear Surface ◽  
Photoacoustic Signal ◽  
Sample Thickness ◽  
Photoacoustic Technique ◽  
Smectic A

First we recall some experimental results about phase transitions in a thermotropic liquid crystal investigated by means of a photoacoustic technique. Then this paper examines the photoacoustic signal as a function of the sample thickness and the modulation frequency for rear-surface illumination of the smectic A sample. The results are consistent with the McDonald and Wetsel model and lead to the determination of thermal diffusivity.

Photoacoustic signal enhancement at visible and X-ray wavelengths

1991 ◽  
Vol 52 (1) ◽  
pp. 8-13
Author(s):  
S. J. Isak ◽  
B. A. Garland ◽  
E. M. Eyring ◽  
J. P. Kirkland ◽  
R. A. Neiser
Keyword(s):  
Photoacoustic Signal ◽  
Signal Enhancement ◽  
X Ray
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