FROG
Pulse Characterization with Frequency-resolved Optical Gating
Complete Pulse Characterization with the FROG Option available for pulseCheck Autocorrelators
pulseCheck and FROG Option
Second Harmonic Generation FROG is the most popular spectrometer-less frequency-resolved optical gate method. Most of APE’s pulseCheck autocorrelators optionally integrate FROG and enable complete pulse characterization. The addition of a dedicated nonlinear crystal module and special software opens the door to complete spectral and temporal pulse characterization. The FROG option allows the pulseCheck to measure the spectral and temporal bandwidth and phase with just a few adjustments to the autocorrelator.
The FROG Option consists of:
FROG crystal(s)
A plane FROG mirror
FROG measurement and retrieval software
Wavelength and Pulse Duration Coverage
Various interchangeable crystals guarantee coverage of wavelengths between 420 nm and 2200 nm. Pulse widths from 20 fs to 6 ps and a spectral resolution of up to 0.1 nm are possible. For each crystal, the software includes calibration data that allows the crystal to be tuned to a specific wavelength for phase matching. The frequency-resolved optical gating option is designed for laser repetition rates above 10 kHz and is available for the pulseCheck autocorrelator series.
FROG Pulse Characterization Software
The acquisition and retrieval software provides the laser pulse intensity as a function of time and frequency (wavelength). This is visualized in the form of the common FROG trace diagram. With the implemented phase matching tuning routine of the pulseCheck it is only a matter of seconds to automatically find the desired phase matching angle of the FROG crystal.
Specifications
The FROG option is an addon available for pulseCheck autocorrelators. Please note that for FROG measurements a laser repetition rate of at least 10 kHz is required.
FROG Crystals Wavelength Range Pulse Width Range Spectral Resolution VIS-I-200
420 ... 550 nm
200 ... 6000 fs
0.1 nm
VIS-I-50
420 ... 550 nm
50 ... 200 fs
0.3 nm
VIS-I-20
420 ... 550 nm
20 ... 70 fs
1 nm
VIS-II-150
550 ... 700 nm
150 ... 2000 fs
0.1 nm
VIS-II-50
550 ... 700 nm
50 ... 200 fs
0.3 nm
VIS-II-20
550 ... 700 nm
20 ... 60 fs
2 nm
NIR-200
700 ... 900 nm
200 ... 5000 fs
0.1 nm
NIR-50
700 ... 900 nm
50 ... 500 fs
0.2 nm
NIR-20
700 ... 900 nm
20 ... 50 fs
3 nm
IR-I-150
900 ... 1200 nm
150 ... 900 fs
0.2 nm
IR-I-60
900 ... 1200 nm
60 ... 200 fs
1 nm
IR-I-30
900 ... 1200 nm
30 ... 60 fs
5 nm
IR-II-100
1200 ... 1600 nm
100 ... 700 fs
0.5 nm
IR-II-50
1200 ... 1600 nm
50 ... 100 fs
2 nm
IR-II-30
1200 ... 1600 nm
30 ... 50 fs
9 nm
Ext. IR-I-50
1800 ... 2200 nm
50 ... 200 fs
19 nm
商品属性 [波长范围] 420-2200nm