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Carpe Autocorrelator

Products Pulse Diagnostics Autocorrelators Carpe Autocorrelator

Features

  • Microscope autocorrelator
  • Pulse width measurement at sample position and microscope entrance
  • Suitable for any objective, e.g. large NA, immersion
  • Including average power measurement at sample position
  • Windows-based Control Software included
  • RS-232 or USB interface
 Datasheet

Overview

The Carpe is the first commercial autocorrelator to measure the pulse width of fs lasers at the output of laser microscopes, complementing the APE Autocorrelators  suite. The power of the laser at the position of the sample can be measured as well with the power detector in the detector head.

The Carpe can measure the pulse width at both the sample position and the microscope input port. This enables to examine the influence of the microscope optics on ultrafast pulses and to optimize the pulses at the relevant position. The Carpe works with high NA objectives and immersion objectives. Due to the thickness of the detector cover, the minimum distance required between the focal point of the objective and the housing of the objective (working distance) is 0.5 mm. To use objectives with a working distance below 0.5 mm, a short working distance option, operating with a different detector principle, is available.

The compact instrument is simply inserted into the beam between laser and microscope. It does not require any changes in the setup and it does not interfere with the measuring beam.

Specifications

Scan ranges 150 fs … 15 ps
Delay resolution < 1 fs
Measurable pulse width 30 fs … 3.5 ps
Input polarization linear / horizontal
Input aperture  free space, 6 mm  |  External Sensor 3 mm
Input repetition rate > 500 kHz
Wavelength range 700 … 1100 nm
Power detector measurement modes 0 … 30 mW  |  0 … 300 mW
Working distance of external detector > 0.5 mm

 

Options

  • Short working distance option

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