The spectra of Laser Quantum's broadband venteon oscillators are difficult to measure with standard Si-based CCD-spectrometers. Limited by the detector sensitivity, these devices are only suitable to cover a spectral range up to 1050 nm, which is not enough for the broadband spectra of state-of-the-art femtosecond lasers such as venteon ultra, which cover a spectral range up to 1200 nm. So far only expensive and scanning optical spectrum analysers have been suitable for a reliable oscillator characterisation.

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