記録された日時: July 16 2013

Duration: 49 minutes 47 seconds

In this webinar, we will describe the experimental and empirical techniques available for optical property determination, with practical examples being present regarding how these can be used to generate realistic results.
Table of contents
1. Laser Diffraction Masterclass 4:Optical property selection
01:23
2. Laser Diffraction Masterclass 4:Optical property selection
00:24
3. Laser diffraction measurement process
00:56
4. Laser diffraction Masterclass
00:59
5. Overview
00:59
6. What do laser diffraction systems measure?
01:34
7. How do we get to the size distribution?
02:33
8. Scattering models: Mie Theory
00:53
9. Scattering models: Mie Theory
01:22
10. Scattering models: Fraunhofer approximation
01:16
11. Comparing the scattering models
01:18
12. How to choose optical properties
00:31
13. What optical properties are required
01:20
14. Determining the refractive index
01:23
15. Refractometer methods: Solution example
01:16
16. Refractometer methods: Solution example
01:04
17. Microscopy methods: Becke lines
00:54
18. Microscopy methods: Becke lines
01:04
19. Index matching: Quartz particles (RI = 1.544)
01:13
20. Empirical methods
01:13
21. Empirical methods: calculations from structure
00:59
22. The Imaginary refractive index
00:51
23. Absorption: Microscope observations
01:25
24. Absorption: Volume concentration method
01:15
25. Verifying optical properties
00:31
26. Using the fit report
01:11
27. Assessing the data fit: Refractive index
00:53
28. Assessing the data fit: Absorption
01:18
29. Example of assessing the data fit
00:05
30. Assessing the fit using 1.4/0.01
00:05
31. Using trend graphs to a range of refractive indices
00:05
32. Reports for assessing optical properties
00:40
33. Assessing the fit using 1.54/0.01
00:56
34. Looking at the results
00:48
35. Method transferMS2000 emulation model
00:30
36. When is an emulation model required?
00:52
37. Samples at the edge of the dynamic range
01:36
38. Non-spherical particles
00:51
39. Conclusions
10:11
40. Contact Information
01:10