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Laser Support Services is pleased to offer a range of autocorrelators from Avesta. Both single-shot and scanning autocorrelators are available, with applications in microscopy and fs pulse measurement.

Products


Avesta AA-20DD Scanning Autocorrelator
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Avesta AA-20DD Scanning Autocorrelator

The AA-20DD real-time autocorrelator offers smooth and fast measurement of femtosecond and picosecond pulse duration. The autocorrelator can cover several wavelength ranges by using up to 3 interchangeable photodetectors and optics.

  AA-20DD
Wavelength range, nm 450-700 (AA-20DDV)
700-1300 (AA-20DD)
1300-2000 (AA-20DDR)
450-2000* (AA-20DD+R+V)
Pulse duration range, fs 20-6000** (default);
20-30000** (-30PS option)
Input repetition rate >10 kHz (default);
>10 Hz (-S option)
Sensitivity 100 mW2
Input polarization, linear horizontal (vertical upon request)
Scanning rate, Hz 0.1-20
Linear distortion, % <1%
Collinear (interferometric and intensity) autocorrelation yes
PC connection USB
Necessary equipment PC with Windows OS or oscilloscope
Fiber input (optional) FC/PC or FC/APC (other types available upon request)
Signal source and detector Two-photon conductivity in semiconductor
Dimensions, mm 132x129x117 (optical unit)
225x190x45 (electronic unit)
* - the AA-20DD may cover either one range of customer's choice, two separate ranges (i.e. 450-1300 or 700-2000) or all three ranges (450-2000 nm) with interchangeable optics and photodetectors (1, 2 or 3 sets included respectively).
** - pulse duration range from 10 fs is available upon request.

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Avesta AA-M Scanning Autocorrelator for Multiphoton Microscopy
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Avesta AA-M Scanning Autocorrelator for Multiphoton Microscopy

The AA-M provides two simultaneous measurement points: one at the focal plane of the microscope, and the other at the point where the optical head of the device is placed, i.e., somewhere before the microscope input. The comparison of the pulse duration value obtained in these two measurements determines the pulse broadening introduced due the dispersion of the microscope’s optical elements.

  AA-M
Wavelength range, nm 450-700 (AA-MV)
700-1300 (AA-M)
1300-2000 (AA-MR)
450-2000* (AA-MM)
Number of photodetectors two (incl. one external)
Pulse duration range, fs 20-12000
Input repetition rate >10 kHz
Sensitivity 100 mW2
Input polarization, linear horizontal (vertical upon request)
Scanning rate, Hz 0.1-20
Linear distortion, % <1%
Collinear (interferometric and intensity) autocorrelation yes
PC connection USB
Necessary equipment PC with Windows OS or oscilloscope
Fiber input (optional) FC/PC or FC/APC (other types available upon request)
Signal source and detector Two-photon conductivity in semiconductor
Dimensions, mm 210x164x132 (opical head)
225x190x45 (electronic unit)
70x55x16.5 (external photodetector)
* - model AA-MM may cover either all three ranges (450-2000 nm) or two separate ranges (i.e. 450-1300 or 700-2000) with interchangeable optics and photodetectors (3 or 2 sets included).

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Avesta IRA-3-10 Scanning Autocorrelator
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Avesta IRA-3-10 Scanning Autocorrelator

The IRA-3-10 autocorrelator is specifically designed for measuring pulse duration and near contrast ratio of IR ultrafast radiation (wavelength 3–10 µm) that is usually generated by ultrafast OPAs.

  IRA-3-10
Wavelength range, µm 3-10*
Pulse duration range 30 fs - 50 ps
Input repetition rate, kHz <3
Input polarization, linear horizontal (vertical upon request)
Input pulse energy, µJ <10
Temporal resolution, fs 8.3 
Temporal range, ps 150
PC connection USB
Necessary equipment PC with Windows OS
Power supply 220/110 V AC; 50/60 Hz ±10%
Dimensions, mm 400x250x210 (optical unit)
250x180x90 (electronic unit)
* - the wavelength range is subdivided into three subranges: 3-5.5, 5.5-7 and 7-10 µm that are covered by exchanging the crystal and selecting filter. Please specify the desired wavelength range when requesting a quote.

 


Avesta ASF Single-shot Autocorrelator
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Avesta ASF Single-shot Autocorrelator

The ASF single-shot autocorrelator is designed for monitoring the pulse duration of ultrafast oscillators and amplifiers, as well as for real-time amplifier systems tuning.

  ASF-20 ASF-200
Wavelength range, nm

700-1000, 1000-1700*

Pulse duration range, fs 20-200 200 - 2000
Input pulse energy, nJ

>1000 (1-10 Hz)
>1.5 (>100 MHz)

Input repetition rate, Hz

1-10 Hz in single-shot mode
>10 Hz in multiple-shot mode

Input polarization, linear

horizontal (vertical by request)

Processing

USB controller

* - other wavelength ranges available on request

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