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Attocube will be exhibiting its industrial line positioning units and the displacement sensor FPS3010. The industrial line piezo stages

are precise positioning units which can be used to position optical or mechanical components in the nanometre regime. Thanks to their modular design, individual stages can be stacked to form multi-axes stage combinations with up to six axes. The stages provide maximum

which is designed to allow complete measurement of laser beam propagation characteristics. In this system a liquid lens, which can vary its optical power in response to a changing input voltage, is used to remove the need for the translation stage used in traditional systems, and therefore allows beam widths to be sampled through the laser beam caustic. The clear, simple to use software gives total control over the measurement which can be aligned and completed in a few minutes. Measurement time is less than 20 seconds.

Cilas will display two types of deformable mirrors: stack array mirrors

for astronomy and monomorph mirrors, dedicated to laser beam shaping and space telescopes. These are used to correct the wavefront distortions induced in ultrafast and powerful laser chains. Standard models are offered with

different electrode patterns and apertures, as well as custom-made deformable mirrors. It also offers

travel ranges of up to 100mm with 1nm resolution and 50nm repeatability. Attocube’s fibre-based

interferometric displacement sensor, FPS3010, is ideal for highly sensitive measurement tasks in many challenging applications. The sensor system offers picometre resolution and can also be used to measure vibrations and angular variations.

the production of optical coatings such as filters, as well as large optical components up to 2m diameter. Cilas is a specialist in laser and optronic system design. The company manufactures deformable mirrors, thin film coatings and lasers for defence, space, astronomy and scientific industrial markets.

CryLaS of Berlin, Germany, will present new microchip lasers from its MOPA266 series. The diode- pumped, passively Q-switched Nd:YAG lasers with integrated optical amplifier and internal frequency quadrupling stage, emits 1ns pulses at 266nm, with pulse energies of up to 50µJ and repetition rates of 20kHz.

The FQCW266 lasers will also be on display, designed for applications that require a continuous wave (CW) source. The lasers produce 200mW single frequency CW output power at 266nm, more than 1,000m coherence length, and less than 300kHz line width.

Delta will be exhibiting its new 28 ELECTRO OPTICS l FEBRUARY 2014 @electrooptics |

linear variable NIR band pass filter which extends the application range of linear variable filters (LVF). The filters will offer tuneable edge wavelength and bandwidth while reducing cost and complexity. An LVFBP is a wedged filter, whose spectral properties vary linearly along the long side of the filter. It is possible to adjust the centre wavelength by sliding the filter with respect to the incident light, while maintaining deep blocking throughout the whole tuning range. Other LVFs offered by Delta include short and longpass filters, dichroic filters, a UV bandpass filter, a visible band pass filter, and a linear variable order sorting filter.

Deposition Sciences (DSI), a manufacturer of optical thin film

coatings, will introduce a new photolithography production line capable of patterning 200mm diameter wafers. This extends DSI’s optical filters manufacturing capacity and delivers better resolution, increased capacity, and an ability to yield and coat more parts per wafer.

Ultimately, this results in better pricing for customers that require sophisticated, patterned optical filters.

The new patterning capacity

provides an enhanced view or enhanced detection in multispectral imaging tasks by fusing together information from different wavelength bands. Other applications include satellite imaging, UAV overhead reconnaissance, machine vision, food and industrial inspection, automotive, biomedical sensing, colour filter arrays for CCD and CMOS cameras, reticles, and more.

Dilas will display its blue multi-single emitter-based, fibre-coupled

module, which has been nominated as a finalist for the 2014 Prism Awards for Photonics Innovation. This module is capable of delivering high output power and brightness in the 450nm spectral range. It is based on a scalable approach, thus allowing for powers from 10 to 100W with 10W and 25W currently released as a product.

Edinburgh Instruments will demonstrate the FS5 spectrofluorometer, an integrated steady state fluorescence spectrometer designed to meet the requirements of the research and analytical markets. The optical design uses single photon counting techniques for increased detection sensitivity.

The standard FS5 has a number of upgrade features including: extended wavelength coverage up

to 1,650nm while maintaining the specified sensitivity in the UV and visible spectral range; computer controlled polarisers to allow for automated anisotropy; phosphorescence lifetime option with a lifetime range of microseconds to seconds; and time- correlated single photon counting- based fluorescence lifetime option for the measurement of lifetimes from picoseconds to microseconds.

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