PROdUcT UPdATE
readjusted in the X/Y direction (repeatable
LASERS And diOdES output is terminated with an FC/APC
operation) after an optics change and can thus SMF-28 pigtailed connector and can
be retained. The time required for readjustment Diodes for surgical and medical optionally be provided with polarisation
after a nozzle, lens or protective window change applications maintaining output.
can be significantly shortened by fading-in nLight has released a generation of 1,400nm www.koheras.com
electronic cross-hairs. The design of the system to 2,000nm semiconductor laser diodes
has also been minimised, reducing its weight. based on indium phosphide (InP). Fluorescence analysis made
The system can be operated with disk, fibre These wavelengths open up a wide range simple
optic and Nd:YAG lasers. of surgical and aesthetic medical applications Cobolt has released the Cobolt Mambo,
One potential application of the system is through either direct use or to pump which is a laser suited for fluorescence
cutting medical stents; a stent is a small, holmium or erbium lasers. analysis applications such as confocal
grid-shaped internal vascular expander in At 1.9 microns, the Pearl fibre-coupled microscopy and flow cytometry.
tubular form and is designed to widen module provides up to 20W output power The Cobolt Mambo is a continuous-wave
vasoconstrictions in the coronary vessels. from a single 400 micron 0.22NA fibre with solid-state laser operating at a fixed
www.precitec.de >10 per cent wall-plug efficiency. Single wavelength 594nm and with an output
emitter chips produce up to 1.5W rated power of up to 50mW. Built into a
Scan head for welding power on expansion-matched substrates. hermetically-sealed compact package using
applications At 1.4 and 1.5 microns, the Pearl module the proprietary HTCureT technology for
GSI Group’s Laser Division has released a scan provides up to 40W from a single 400 micron extreme robustness, the Cobolt Mambo is a
head control system and software for the 0.22NA fibre and >30 per cent wall-plug single longitudinal mode laser with low noise
JK125 and JK300. This system enables greater efficiency. Single emitter chips produce up to (<0.3 per cent rms), narrow spectral line
control and flexibility as well as reduced 3.5W rated power on expansion matched width (typically <30MHz) and high beam
production times for repeatable high-speed, substrates. quality (M
2
<1.1). The Cobolt lasers are based
high-precision seam and spot welding. The www.nlight.net on proprietary PPKTP frequency conversion
new software is a single application, allowing technology, for optimum flexibility and
control and management of all laser and scan For integration into advanced efficiency. The full system typically consumes
head programming functions. sensors less than 25W of electrical power.
This product incorporates the scan head The Cobolt Mambo laser provides a
and the software, the Scan Head User compact solid-state and higher power
Interface (SHUI), which is integrated into the alternative to HeNe lasers, which opens up a
LaserView SE software, enabling seamless new range of fluorescence applications, in
programmability of scan head and laser particular for the excitation of Alex Fluor
parameters through a single operator screen. 594, Texas Red and the new very bright gene
The Scan Head has been designed to Koheras has released the Basik, which is a expression proteins mCherry and mKate.
enhance and complement the current JK125 single-frequency, low-noise distributed Cobolt now offers a complete range of high
and JK300 series of pulsed lasers, enabling the feedback (DFB) fibre laser system in a performance DPSS lasers to the fluorescence
beam to be deflected precisely and quickly compact and rugged package with passive based bioanalytical industry: 473nm, 491nm,
throughout a range of spot sizes and working vibration isolation. 515nm, 532nm, 561nm, and 594nm lasers
areas. Two configurations are available: the It is designed for industrial OEM are currently available at output powers from
Variable Spot Size, which provides up to x2.8 integration into advanced sensor 10 to 300mW.
beam expansion capability and can be fitted interrogation systems for oil exploration and Lasers built using the HTCure Technology
with an in line camera adaptor, which will submarine detection, as well as other have shown to withstand multiple 60G
accept a standard C-mount camera; and the interferometric applications such as mechanical shocks in operation without any
Fixed Spot Size, which will accept a perimeter detection. sign of degraded performance. They can be
CS-mount camera fitted to the rear of the fibre The module has been developed as a exposed to extreme temperatures (>100°C),
output housing. A range of f-theta objective building block for either single wavelength and are insensitive to pressure and humidity.
lenses are available to provide spot sizes from systems or multi-wavelength DWDM HTCure Technology is an advanced
100µm to 750µm and a usable working area systems with up to 10 different wavelengths. manufacturing technique for high-
from 25 x 25mm to 150 x 150mm. It offers a low phase/frequency and vibration performance solid-state lasers that can
The SHUI was developed by GSI to noise and is available with up to 50mW of provide exceptional reliability and
eradicate the need for separate programmes output power. It is controllable via RS-485 performance for today’s demanding
for the laser and scan head and has been interface and can optionally be provided applications.
specifically designed for laser welding with Koheras GraphiK software enabling the The laser is supplied with an ultra-
applications, rather than the more traditional user to monitor and control multiple laser compact controller (CDRH or OEM) which
marking applications for which scan heads are parameters. Other features include active can be remotely accessed for operation and
predominantly used. RIN suppression, thermal tuning, and monitoring of the laser system via digital
www.gsiglasers.com optionally kHz piezo modulation e.g. for (RS-232) or analogue interfaces.
frequency stabilisation. The fibre laser www.cobolt.se
18 LASER SYSTEMS EUROPE • issue 2 www.lasersystemseurope.com
LSEspr09 pp16-21 Products.indd 18 3/3/09 10:58:56
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