Category : Optics (components, coatings, instruments and systems) > Optical instrumentation, systems and accessories

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IR-OPA (InfraRed Optical Parametric Amplifier) is a white light continuum seeded optical parametric amplifier (OPA) operated with a 775-femtosecond pump pulse from the Model CPA-2001 Amplified Ti:Sapphire laser system. A combination of continuum generation and parametric amplification allows the user to continuously tune the output wavelength from1.5µm to 2.5µm with no change in opticsPumped with 1mJ energy per pulse in sub-150fs pulsewidths at 775nm, 1KHz repetition rate, IR-OPA produces more than 100µJ energy per pulse at 1.58µm in sub-150fs pulsewidths. There are three stages in the optical configuration: a white light continuum generator, a pre-amplifier and a power amplifier. Optical delays ensure exact synchronization between the three stages. A fresh pump beam coupled with optimized pumping levels and focusing for each stage ensures high spatial beam quality at the system output. Near transform-limited performance is achieved from the IR-OPAFrequency doubling of the fundamental covers wavelengths in the range of 575nm to 1150nm. Frequency quadrupling the fundamental further extends the coverage down to 300nm. Dichroic mirrors are included to separate the signals from the idlers at the different harmonics. Difference frequency mixing offers wavelengths up to 15µm

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List of all articles in this sub-category Optical instrumentation, systems and accessories

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