Powerful Terahertz Generators 

Powerful Terahertz Generators - request a quote at sales@dmphotonics.com
Add Terahertz generator and detector to your existing Ultrafast Laser
System! - request a quote at sales@dmphotonics.com
High-Intensity Terahertz Generators compatible with variety of Ultrafast Amplifiers including
Coherent: Astrella, Legend Elite, Libra
Spectra-Physics: Spitfire ACE, Solstice ACE
From components and kits to complete systems!
We have currently in stock several options of Terahertz MgO:LiNbO3 crystals:
1. Aperture size 5x5, 10x10 and 20x20
2. MgO - 0.6%, 1% and 1.3%
3. AR coating for all different wavelength from 700nm to 1100 nm (800nm and 1030nm are most popular options).
1.1) THz-rex THz generator based on optical rectification in MgO:LiNbO3 crystal
Output THz radiation:
Max THz pulse energy up to 500 nJ (depends on the pump laser)
Pulse duration 0.5-1 ps
Central frequency ~1 THz
FWHM spectral intensity bandwidth 1-1.5 THz
Required pump laser:
Central wavelength 780 - 820 nm
Laser pulse energy 0.5-2 mJ
Laser average power up to 2 W
Laser repetition rate up to 10 kHz
Beam: TEM00, M^2 preferably less than 1.3, good beam quality
Optimal TL (transform-limited) pulse duration: 80 - 120 fs, no chirp
1.2) THz-rex-LA high-energy THz generator with large-aperture optics adapted to more than 2 mJ pumping.
Output THz radiation:
Max THz pulse energy up to 1 uJ (depends on the pump laser)
Pulse duration 0.5-1 ps
Central frequency ~1 THz
FWHM spectral intensity bandwidth 1-1.5 THz
Required pump:
Central wavelength 780 - 820 nm
Laser pulse energy up to 5 mJ
Laser average power up to 5 W
Laser repetition rate up to 10 kHz
Beam: TEM00, M^2 preferably less than 1.3, good beam quality
Optimal TL (transform-limited) pulse duration: 80 - 120 fs, no chirp
1.3) Cryo-cooling setup upgrade for THz-rex/THz-rex-LA (optional)
Expected increase in THz generation efficiency x 1.3 - 2 times
(depends on the exact pump laser, crystal and focusing parameters)
THz detector:
2.1) EO-ZnTe THz detector based on electrooptical sampling in ZnTe
crystal
Spectral resolution: 30 GHz
Temporal scan range: 180 ps
Includes:
- 3 parabolic mirrors for focusing the THz beam in the sample
- Electrooptical detector with lock-in amplifier or highly-sensitive
peak detector and digitizer (depending on the repetition rate of the
regenerative amplifier) with USB interface
- Optical chopper
- Windows acquisition and analysis software.
Other resolution and scan range values upon request.
2.2) Optical pump - THz probe delay line upgrade for THz-rex/THz-rex-LA/EO-ZnTe
Optical pump ~800 nm
Optical delay up to 1200 ps