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We present the machine parameters and physics capabilities of the CLIC Higgs Experiment (CLICHE), a low-energy γγ collider based on CLIC 1, the demonstration project for the higher-energy two-beam accelerator CLIC. CLICHE is conceived as a factory capable of producing around 20,000 light Higgs bosons per year. We discuss the requirements for the CLIC 1 beams and a laser backscattering system capable of producing a γγ total (peak) luminosity of 2.0 (0.36) × 10 34 cm −2 s −1 with E CM (γγ) ∼ 115 GeV. We show how CLICHE could be used to measure accurately the mass, bb, W W and γγ decays of a light Higgs boson. We illustrate how these measurements may distinguish between the Standard Model Higgs boson and those in supersymmetric and more general two-Higgs-doublet models, complementing the measurements to be made with other accelerators. We also comment on other prospects in γγ and e − γ physics with CLICHE.

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We prove the formation of birefringent nanoporous structures in the volume of various doped silica, GeO2 and borosilicate glasses by femtosecond laser. We determined the repetition rate of the irradiating laser pulses as crucial processing parameter

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