Mirrors for Multipass Cells (MPC)


Nonlinear compression of laser pulses with tens of millijoule energy in a gas-filled multipass cell is a promising approach to realize a new generation of high average power femtosecond sources.

The whole approach relies on efficient HR mirrors, which enable to have a large number of reflections with low losses.

OPTOMAN developed dielectric mirrors optimized specifically for MPC application. OPTOMAN offers flat, concave, and convex broadband mirrors with high reflectivity (R>99.99%), high LIDT (>1 J/cm2 @ 1030 nm, 500 fs) and low and smooth GDD.


Design Examples


HR>99.99% @ 970-1090 nm, AOI=0o


|GDDr| < 20 fs2 @ 980-1080 nm

Custom design Features
  • Mirrors available in spectral range of 400 - 2000 nm
  • HR (in gas) > 99.99%
  • Absorption: <1 ppm @ 1030 nm
  • LIDT: > 1 J/cm^2, 1030 nm, 500 fs, 10 kHz


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