cw Terahertz Generation – Standard Laser Package

TOPTICA’s cw terahertz Standard Laser Package: Tunable DFB lasers with FiberDock fiber coupler.

Lasers for tunable cw terahertz generation
Two DL DFB diode lasers with SYS DC 110 driver electronics
Integrated optical isolators (60 dB) and SM/PM fiber coupling
Fiber-optic beam combination (2 x 2 array)
Laser power 50 mW per 2-color fiber output
Difference frequency tuning 0 – 1800 GHz typ.
Frequency accuracy 2 GHz absolute, 10 MHz relative
Tuning speed up to 0.1 THz / s

The Standard Package offers the essential laser equipment for difference frequency generation in the terahertz range. It comprises two DL DFB lasers, fiber-optic beam combination, and driver electronics. The diodes are carefully selected with respect to their tuning range. The Standard Package is available at 850 nm and 1550 nm. It can be combined with the High Power + High Precision Extension, and the cw THz spectroscopy kit.

Technical Information

Specifications:
Wavelength range	853 + 855 nm 1550 nm Other ranges on request.
Lasers	2x DL DFB
Laser power (fiber output)	2 x 50 mW
Scan range per diode	± 1.3 nm @ 850 nm ± 2.2 nm @ 1550 nm
Frequency accuracy	2 GHz absolute 10 MHz relative
Frequency control	Analog voltages
THz scan range	Typ. 0 – 1800 GHz @ 850 nm Typ. 0 – 1200 GHz @ 1550 nm
Optical isolation	Included, 60 dB per laser
Fiber coupling	Included, 2x2 fiber array
Operating temperature	15 – 30 °C
Electronics	SYS DC110, 19”
Operating voltage	100..120 V/ 220..240 V AC 50..60 Hz (auto detect)
Power consumption	Typ. < 100 W, max. 300 W