| 00:00:00 | Laser Diffraction Masterclass 4:Optical property selection |
| 00:01:23 | Laser Diffraction Masterclass 4:Optical property selection |
| 00:01:47 | Laser diffraction measurement process |
| 00:02:43 | Laser diffraction Masterclass |
| 00:03:42 | Overview |
| 00:04:41 | What do laser diffraction systems measure? |
| 00:06:15 | How do we get to the size distribution? |
| 00:08:48 | Scattering models: Mie Theory |
| 00:09:41 | Scattering models: Mie Theory |
| 00:11:03 | Scattering models: Fraunhofer approximation |
| 00:12:19 | Comparing the scattering models |
| 00:13:37 | How to choose optical properties |
| 00:14:08 | What optical properties are required |
| 00:15:28 | Determining the refractive index |
| 00:16:51 | Refractometer methods: Solution example |
| 00:18:07 | Refractometer methods: Solution example |
| 00:19:11 | Microscopy methods: Becke lines |
| 00:20:05 | Microscopy methods: Becke lines |
| 00:21:09 | Index matching: Quartz particles (RI = 1.544) |
| 00:22:22 | Empirical methods |
| 00:23:35 | Empirical methods: calculations from structure |
| 00:24:34 | The Imaginary refractive index |
| 00:25:25 | Absorption: Microscope observations |
| 00:26:50 | Absorption: Volume concentration method |
| 00:28:05 | Verifying optical properties |
| 00:28:36 | Using the fit report |
| 00:29:47 | Assessing the data fit: Refractive index |
| 00:30:40 | Assessing the data fit: Absorption |
| 00:31:58 | Example of assessing the data fit |
| 00:32:03 | Assessing the fit using 1.4/0.01 |
| 00:32:08 | Using trend graphs to a range of refractive indices |
| 00:32:13 | Reports for assessing optical properties |
| 00:32:53 | Assessing the fit using 1.54/0.01 |
| 00:33:49 | Looking at the results |
| 00:34:37 | Method transferMS2000 emulation model |
| 00:35:07 | When is an emulation model required? |
| 00:35:59 | Samples at the edge of the dynamic range |
| 00:37:35 | Non-spherical particles |
| 00:38:26 | Conclusions |
| 00:48:37 | Contact Information |
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.