TOPAS is a series of femtosecond optical parametric amplifiers (OPAs) for Ti:Sapphire lasers which delivers continuous wavelength tunability from 189 nm to 20 μm, high conversion efficiency, high output stability, and full computer control. With more than 2000 units installed worldwide, TOPAS has become an OPA market leader for numerous scientific applications. TOPAS can be pumped by Ti:Sapphire lasers with pulse duration from 20 fs to 200 fs and pulse energy from 15 μJ to 60 mJ. Custom solutions beyond the given specifications are available; contact sales@lightcon.com for more details.

Features

Tuning range 1160 – 2600 nm, extendable to 189 nm – 20 μm
Conversion efficiency of > 25%
Wavelength extensions and high-energy upgrades
Nearly bandwidth- and diffraction-limited output
CEP stabilization of the idler (1600 – 2600 nm)
High output stability

Product Comparison Table

Product ¹⁾	Pump pulse energy	Pump pulse duration	Tuning range	Extended tuning range	Output pulse duration	Upgrades	Special features
	0.15 – 6 mJ ²⁾	20 – 200 fs	1160 – 2600 nm	189 nm – 20 µm	30 – 150 fs	HE-STAGE	Motorized wavelength control, hands-free operation
	4 – 60 mJ ²⁾						High energy, high conversion efficiency
³⁾	0.15 – 6 mJ ²⁾						Two simultaneous independent outputs
	0.3 – 5 mJ		≈ 400 nm	240 nm – 10 µm	1 – 5 ps	TOPAS-400-PS	Narrow bandwidth, picosecond output
	0.2 – 2.5 mJ		480 – 2400 nm	240 nm – 10 µm	1 – 5 ps	n/a
	0.2 – 4 mJ	1 – 4 ps	1160 – 2600 nm	235 nm – 20 µm	0.8 – 4 ps	HE-STAGE

Custom solutions are available, contact sales@lightcon.com for details.
Maximum pump pulse energy depends on pump pulse duration.
TWINS consists of two OPAs, seeded by the same WLG. Specifications and upgrades are applicable for each output.

Wavelength extensions and upgrades

Product ¹⁾	Tuning range	Features
HE-STAGE	1160 – 2600 nm	High-energy upgrade for TOPAS-PRIME, TOPAS-TWINS, or TOPAS-PS-800 for 4 – 60 mJ pump
NIRUVIS	235 – 2600 nm	Motorized wavelength tuning, single housing
NIRUVIS-DUV-HE	189 – 2600 nm	High-energy version, broadest tuning range, motorized wavelength tuning, single housing
NIRUVIS-DUV	189 – 2600 nm	Broadest tuning range, motorized wavelength tuning, single housing
NIRUVIS-MW	235 – 2600 nm	Fully automated version, same output port for all the wavelength range, motorized wavelength tuning, single housing
NDFG	2600 nm – 20 µm	Noncolinear amplification for background-free IR pulses
External crystal stages	235 nm – 20 µm	Cost-efficient separate crystal stages (1, 2, or 3 depends on the tuning range)
SIG-SIG NDFG	4500 nm – 20 µm	For TOPAS-TWINS CEP-stable IR pulses, CEP slow drift compensation-ready, noncolinear amplification for background-free IR pulses