High-contrast fringes and holographic grating imprinting rely on the coherence of the superimposing beams, and thus, it typically requires the interference of beams originating from a single laser. Here, Odoulov et al. demonstrate that holographic grating recording is possible using pulses of different colour.
- Serguey Odoulov
- Alexandr Shumelyuk
- Mirco Imlau