Concerning variable-spacing, curved grooving for a concave grating, we are the sole manufacturer capable of easily changing the degree of spacing so significantly — as much as 50% during ruling ...

corresponding to the grooves of the desired grating, are recorded on a photosensitive layer, and the subsequent chemical treatment forms a modulated profile on the surface of the blank by selective ...

StellarNet, inventor of the miniature fiber optic concave grating spectrometer, has configured systems specifically for low-light applications and, as always, StellarNet instrumentation is built ...