PRODUCT UPDATE Laser and diodes Accessories


Microcontroller for Flexpoint MVmicro range


Laser Components has expanded its range of Flexpoint MVmicro machine vision laser modules to include a microcontroller, allowing users to interface with the module through an RS232 connector. This is advantageous for image processing applications as the user now has the ability to control and fine-tune laser parameters, which up to now were inaccessible. The Flexpoint MVmicro DIG laser modules can be controlled on an internal level through features such as output power and operating temperature shutdown, digital and analogue


VCSEL arrays


Princeton Optronics has released a VCSEL array device which has both contacts located at the back side and does not need any wire bonding. This will help the users to reduce the cost of wire bonding in volume production for cell phones and other high volume applications. The VCSELs are available in 850 and 945nm. Because of their small form factor, high directionality and better electrical to optical conversion efficiency, the new VCSEL device presents itself as an easy choice as a replacement to an IR-LED in any active optical sensor. It provides a longer range of sensing because of narrower native divergence allowing for design into light source for camera autofocus in mobile applications.


Piezoelectric line Thorlabs has expanded its piezoelectric line to include new types of piezoelectric actuators, low voltage piezoelectric chips, and discrete stacks with through holes, enabling a higher level of flexibility when integrating the actuators into other devices. These chips are ideal for laser tuning, micro-dispensing, and life science applications.


modulation settings, and optical power adjustment. It is also possible to perform custom programming on the lasers, as well as accessing information such as lifetime data, environmental characteristics such as module temperature, and more.


The MVmicro DIG series is available with either one or multiple homogenous laser lines across the 405-905nm range including 450nm, 520nm, and 650nm. The lasers can be focused by hand and secured using a locking ring. The series also features an M12 connector for easy connection to a system. www.lasercomponents.com


The chips can be manufactured with or without pre-attached wires, with holes ranging from Ø2.0 to Ø6.0mm, cross sections ranging from 5 × 5mm to 10 × 10mm, and thicknesses under 5mm. Stacks are available in lengths from 5 to 100mm, enabling free stroke displacements up to 100μm.


Recent technology


developments and demonstration of >63 per cent of wall plug efficiency mean operation at high


temperatures as high as 100°C, good for many


proximity and high volume applications. Single emitters can reach output powers up


to several mWs to several Watts in continuous mode and orders of magnitude more in pulsed mode while maintaining industry-leading efficiencies. Single emitters and arrays are offered in die sizes from 175 x 175um up to 500 x 500um and are offered at 850 and at 945nm. www.princetonoptronics.com


The piezoelectric chips are driven under a maximum voltage of 150V, providing maximum free stroke displacements from 1.8 to 3.0μm with sub-millisecond response time. Through a precision grinding process, the accuracy of the design height is ensured to better than ±5μm. The high accuracy makes it easier to design devices around our piezoelectric chips, as it allows the users to have a loose tolerance when choosing their other components, and helps guarantee a better parallelism when employing multiple chips between two substrates. www.thorlabs.com


LEDs and illumination Cobra Cure FX3


ProPhotonix has released the Cobra Cure FX3, an extension to its UV LED Curing systems and the highest intensity air cooled product in the ProPhotonix UV family.


The Cobra Cure FX3 follows from the previously announced Cobra Cure FX1, which produces a uniform line with a peak irradiance of 6W/cm2


www.electrooptics.com |


density (dose) of 5J/ cm2


, and the Cobra Cure


FX2, which produces a uniform line with a peak irradiance of 8.4W/ cm2


up to 17.5J/cm2


energy densities up to 42J/cm2 The Cobra Cure FX3 is scalable


and peak energy @electrooptics


and .


and energy densities . The Cobra


Cure FX3 delivers best-in-class intensities up to 16W/cm2


without any drop in intensity from module


to module ensuring consistent edge-to-edge illumination. The design incorporates surge protection, LED segment control, and power control between 5 and 100 per cent. The control of each LED segment is designed to monitor and drive each LED segment producing consistent intensity control across the entire illumination area. Wavelength options include 365nm, 385nm, 395nm, and 405nm configurations as well as integrated multi- wavelength options. www.prophotonix.com


OCTOBER 2016 l ELECTRO OPTICS 45


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