Laser Coherence Meter Based on Nanostructured Liquid Crystals

Figure 1

Scheme of the coherence meter prototype (a) and spatial light modulator (b). A: tested laser, B, K: beamsplitter, C: phase compensator, D: filter, E, F: mirror, G: photodiode, H: voltmeter, I: DC voltage supplier, J: spatial light modulator, L: sliding mirror, and DS: delay system. DC=20 V, 2𝜃=0.17 rad.

(a)

(b)