Femtosecond and Picosecond autocorrelator
Femtosecond and Picosecond autocorrelator

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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. Two separate ranges can also be covered upon request. Input pulse duration ranges from 20 fs to 6 ps for easy monitoring of different laser systems, especially femtosecond and picosecond oscillators. The device features USB interface and can be easily hooked up to a PC with Windows OS, LabView drivers are also included in the package. The software is supplied with the device and comprises several useful tools. The acquired pulse duration data can be visualized, stored or exported to a .txt or .dat file. Autocorrelation function and final FWHM pulse duration in femtoseconds are calculated and displayed in real-time. Moreover, Gaussian or sech2 fitting options are enabled, intensity function may also be observed. The statistical viewer feature allows the comparison of data acquired from several separate pulse measurements.


Femtosecond scanning autocorrelator

Model AA-20DDV AA-20DD AA-20DDR AA-20DD+R+V
Wavelength range*1 450~700 nm 700~1300 nm 1300~2000 nm 450~2000 nm
Pulse duration range*2 20 fs~6ps
Input repetition rate*3 >10 kHz
Input polarization*4 Horizontal
Sensitivity >100 mW(Paverage Ppeak)
Scanning rate 0.1~20 Hz
Optical unit size(mm) 129(W)×117(H)×132(L)
Electronic unit size(mm) 190(W)45(H)225(L)
Voltage Voltage:100~220 VAC Single phase:50~60 Hz
  • *1.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).
  • *2.30ps option available(from 20 fs to 30 ps)
  • *3.S option available(>10 Hz)
  • *4.Vertical upon request

Single-Shot Femtosecond Autocorrelator

Model ASF-20 ASF-200
Wavelength range*1 700~700 nm、1000~1700 nm
Pulse duration range 20~200 fs 200 fs~2ps
Input pulse energy >1000 nJ(1~10 Hz)
>1.5 nJ(>100 MHz)
Input repetition rate 1~10 H(Single shot mode)
>10 Hz(Multi shot mode)
Input polarization*2 Horizontal
Dimensions(mm) 160(w)62(Max 118)(H)339(L)
Voltage Voltage:100~220 VAC Single phase:50~60 Hz
  • *1.Other wavelength ranges available on request
  • *2.Vertical upon request.

Infrared scanning autocorrelator

Model IRA-3-10
Wavelength range*1 3~10 µm
Pulse duration range 30 fs~50 ps
Input repetition rate <3 kHz
Input polarization*2 Horizontal
Input pulse energy <10 µJ
Temporal resolution  8.3 fs
Temporal range 150 ps
Optical unit size(mm) 250(W)×210(H)×400(L)
Electronic unit size(mm) 180(W)×90(H)×250(L)
Voltage Voltage:110/220 VAC Single shot:50/60 Hz
  • *1.The wavelength range is subdivided into three subranges: 3-5.5, 5.5-7 and 7-10µm that are covered by exchanging the crystal and selecting filter. Please specify the desired wavelength range when requesting a quote.
  • *2.Vertical upon request.

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