scholarly journals Measurement of refractive index of luminescent photoelastic coating

2013 ◽  
Vol 62 (5) ◽  
pp. 057801
Author(s):  
Hua Shi-Qun ◽  
Luo Yin
Keyword(s):  
Refractive Index ◽  
Photoelastic Coating ◽  
Luminescent Photoelastic Coating

Small Oblique Angle Technique for Principal-Strain Separation in Luminescent Photoelastic Coating

2013 ◽  
Vol 303-306 ◽  
pp. 538-542
Author(s):  
Shi Qun Hua ◽  
Ying Luo
Keyword(s):  
Oblique Incidence ◽  
Incidence Angle ◽  
Signal To Noise Ratio ◽  
Individual Values ◽  
Photoelastic Coating ◽  
Refraction Effect ◽  
Strain Components ◽  
The Individual ◽  
Strain Separation ◽  
Luminescent Photoelastic Coating

To determine the individual values of the two strain components by separate principal strains, a theoretical model of strain separation by oblique incidence with a new luminescent photoelastic coating configuration is presented. Considering the non-strain related refraction effect included in the total optical response at oblique incidence, the small incidence angle technique for simplifying the post-processing complexity is given. To affirm the validity of this strain separation method based on small oblique angles, the signal-to-noise ratio for providing sufficient signal intensity has been theoretically analyzed.

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