Spectroscopy monochromator/spectrograph pulseSlicer NIR
opticalcompactautomated

spectroscopy monochromator/spectrograph
spectroscopy monochromator/spectrograph
spectroscopy monochromator/spectrograph
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Characteristics

Domain
optical, for spectroscopy
Configuration
compact
Other characteristics
automated
Wavelength

Min.: 650 nm

Max.: 1,080 nm

Description

The principle task of the spectrum slicer (or laser monochromator) pulseSlicer is to cut out a very narrow spectral part of an ultra-short laser pulse. This function is similar to a band pass filter at a first glance. For example, in the spectral domain this could mean the narrowing of the spectral width of Ti:Sapphire pulses at 800 nm from Δλ = 7 nm to Δλ = 0.35 nm. In the time domain this corresponds with to a pulse stretching from approximately 140 up to 2700 fs. Standard laser sources typically generate fixed or slightly variable pulses only. Therefore, the pulseSlicer acts as a spectrum slicer and is an economic solution for narrowing broadband laser pulses by spectral cutting. An optical system disperses the pulses spatially, and in the plane where the spectrum is spatially dispersed, the spectrum is controlled via a mask. Afterwards, the dispersed pulse is recollimated. With the narrowing of the spectrum the spectral pulse width is modified accordingly, resulting in longer pulses. The transmitted power is reduced proportionally to the amount of spectral cutting, but many applications are not power limited when considering the available laser input power. pulseSlicer in Combination with Pulsed Laser Sources • Automized, narrow-band laser source • Large wavelength tuning range • User adjustable spectral bandwidth and output pulse durations • High spectral power density compared to common lasers or OPOs • High repetition rates (80 / 160 / 320 MHz) to cope with weak single-photon signal detection At a Glance • Easily variable output bandwidth / pulse duration • Simple solution for narrowing broadband laser pulses

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