APPLICATION NOTES & CASE STUDIES
Raman & Spectroscopy Case Studies
Explore real-world measurements, experimental configurations and application examples developed with Thunder Optics instrumentation.
FEATURED CASE STUDIES
Selected Applications & Measurements
GEMMOLOGY · RAMAN MICROSCOPY
Heat-Treatment Assessment of a Greenish-Yellow Sapphire
A 4.10 ct Madagascar sapphire investigated using micro-Raman spectroscopy, photoluminescence and UV-Vis-NIR absorption, with complementary FTIR evidence.
Platform: Gurzil Raman Microscope · UV-Vis-NIR Gemology Kit
OPTICAL SPECTROSCOPY · INSTRUMENTATION
How PTFE Thickness Affects Spectral Throughput
A controlled study of five interchangeable PTFE diffuser thicknesses, showing how diffuser thickness affects signal level and spectral response from the visible to the NIR.
Platform: O Spectrometer · SMA905 Cosine Corrector
GEMMOLOGY · UV–VIS–NIR
UV–Vis–NIR Spectroscopy for Gemstone Identification
Practical gemstone measurements illustrating chromophore identification and spectral discrimination across the 350–1050 nm range.
Platform: UV–Vis–NIR Gemology Kit · O Spectrometer