A study recently published in Optics Express entitled “Precision surface profile measurement using a virtually imaged phased array spectrometer” shows how Lightmachinery’s Virtually Imaged Phased Array (VIPA) optics have specific technical advantages in magnonic research applications.
The VIPA spectrometer, combined with a diffraction grating, allowed researchers to measure the dispersion relation of magnetostatic surface waves in yttrium iron garnet (YIG) films, capturing both Stokes and anti-Stokes components of the scattered light in a single measurement.
VIPA spectrometers capture the entire spectrum simultaneously allowing for dynamic measurements with GHz-level resolution thanks to their high angular dispersion, and their high (80%) transmission efficiency makes them suitable for detecting weak signals from magnon scattering.
To find out more about how LightMachinery technology can aid in your research projects, contact Raymax on (02) 9979 7646 or fill out the form below.
