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Frequency selection of supercontinuum ultrashort pulses using a Fresnel zone plate |
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| Authors: | A Gürtler JJ Gilijamse AAR Wetzels LD Noordam E Sali M Bellini |
| Institution: | aFOM Institute for Atomic and Molecular Physics, Kruislaan 407, 1098SJ Amsterdam, The Netherlands bDipartimento di Fisica and LENS, Via G. Sansone 6, 50019, Sesto Fiorentino (FI), Italy cIstituto Nazionale di Ottica Applicata and LENS, L.go E. Fermi, 6, 50125, Firenze, Italy |
| Abstract: | We propose focusing by a Fresnel zone plate into a pinhole as a cost-efficient, rugged component for wavelength selection in femtosecond pulses. We show measurements of the frequency selectivity of a Fresnel zone plate for an ultra-broadband supercontinuum pulse. We verify that our zone plate does not considerably stretch the 65 fs laser pulses in time. |
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