HarmoniXX FHG
Frequency Quadrupling with Fourth Harmonic Generation
Fourth Harmonic Generation – Frequency Quadrupling for Tunable and Fixed Frequency Laser
Fourth Harmonic Generation
As part of our HarmoniXX product line, the HarmoniXX FHG – Fourth Harmonic Generation – is a frequency converter for quadrupling the frequency of ultra short-pulse lasers. As a result, the final frequency is four times of the frequency of the incoming laser beam.
User-friendly Design
The focus is on user-friendliness and a compact design. By featuring a quick exchange of optics, the HarmoniXX devices can be used for a wide pulse duration range, from femtoseconds (fs) to several picoseconds (ps). All units are optimized for highest conversion efficiency at various laser power levels. They also display minimum pulse broadening while maintaining good spatial beam profile.
At a Glance
Fourth Harmonic Generation FHG
High conversion efficiency
Easy alignment and automatic wavelength tuning
Suitable for both tunable and fixed frequency fs and ps lasers
Excellent pointing stability and beam profile
Remote operation via software GUI
HarmoniXX FHG 2+2 Specification
Input Wavelength Range
840 ... 920 nm
(other wavelengths on request)Output FHG
Down to 210 nm (e.g. 210 ... 230 nm for TiSa)
Down to 190 nm (e.g. 190 ... 210 nm for TiSa) with FHG 3+1 (see specs below)Output SHG
Available
Output Fundamental
Available
Pulse Duration
fs or ps
Output SHG
Available
Conversion Efficiency
FHG > 4 % (fs)*
*depends on laser model / pulse durationWalkoff Compensation
Built-in mechanical walkoff compensator
Output FHG
Down to 210 nm (e.g. 210 ... 230 nm for TiSa)
Down to 190 nm (e.g. 190 ... 210 nm for TiSa) with FHG 3+1 (see specs below)Polarization (Linear)
Input: horizontal, FHG Out: horizontal, SHG Out: vertical, Fundamental Out: horizontal
Automation
Fully Motorized, GUI /Software included, Auto Power Adjustment as Option
Options
Auto Power Adjustment
Automated output power optimization at the press of a button
Quick Exchangable Optics Set
Wavelength range exchange sets;
Pulse duration exchange set fs - psFHG 3+1 Specification
Input Wavelength Range
760 ... 920 nm
(other wavelengths on request)Output SHG, THG
Available
Output Fundamental
Available
Conversion Efficiency
FHG < 0.1 % (fs)*
*depends on laser model / pulse durationPolarization (Linear)
Input: horizontal, FHG Out: vertical, THG Out: horizontal, SHG Out: vertical, Fundamental Out: vertical
Automatization
Not included; Available on request
Laser ARPES with FHG 3+1 for Deep UV 190 nm
Tunable deep-UV pulses from 190 nm – 215 nm / 6.5 – 5.77 eV are available with APE’s HarmoniXX FHG 3+1. It is ideally suited for ARPES (Angle-resolved photoemission spectroscopy).
Creating an Artificial Sun for Solar Cell Calibration
A novel facility for the primary calibration of reference solar cells has been realized. The fs-laser setup equipped with HarmoniXX enables the calibration of World Photovoltaic Scale (WPVS) reference solar cells with an uncertainty of only 0.4% – a new world record.
Full Support for Industry Standards and Homebuilt Systems
HarmoniXX: The Industry Standard
The well-established HarmoniXX family handles a wide variety of laser systems, pulse widths, and wavelengths from different manufacturers and homebuilt solutions.
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描述 [描述] HarmoniXX FHG -四次谐波发生器-是一个频率翻四倍的超短脉冲激光器的变频器