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Photonics Showcase - application tutorials, training and new product launch pad

Wednesday 11th October


09.00 Registration opens in the atrium  
10.55 Introduction and welcome
Laurence Devereux, Xmark Media
11.00 National centre for healthcare photonics
Dr Tom Harvey, Healthcare Photonics at CPI

CPI’s new National Centre for Healthcare Photonics, due to open in Q4 2018 at NETPark, Sedgefield in the NE of England seeks to assist companies by de-risking and speeding up the translation of new photonics-enabled products from the lab bench to the market. The new centre will provide open access to facilities, equipment and expertise tailored towards design, development and manufacturing at quantities required for clinical investigation and clinical validation trials but not to produce at commercial scale. The centre will focus initially on the main themes of imaging, diagnostics and therapy. Photonic technologies covered will include x-rays at the high frequency end of the spectrum, through UV and visible light, through the near and far infra-red to the terahertz part of the spectrum. Targeted financial assistance will also be available to help companies work with the new centre.

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11.15 The Future Photonics Hub Innovation Fund – Q & A session
Tom Carr, The Future Photonics Hub

The Future Photonics Hub launches the 2017 call for its Innovation Fund today (11 October 2017). This annual call from the EPSRC future manufacturing research hub in photonics, led by the Optoelectronics Research Centre, invites proposals from RCUK-eligible research groups and individuals to carry out short-term projects that bring additional value to the programme and support its objectives to develop next-generation photonics manufacturing processes. The participation of industry, both from the photonics manufacturing and photonics-enabled technology sectors, is encouraged on a project partner basis to demonstrate a pathway to manufacture and exploitation (though industry are not eligible for direct funding). This open Q&A session is an opportunity for all those interested in applying to put their questions to the Hub team, to find out more about the terms of the scheme and the funding available.

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Components for ranging and guidance applications
Dave Barry, Laser Components (UK) Ltd

From hand-held range finding modules through to autonomous vehicle and drone guidance, pulsed laser diodes (PLDs) and avalanche photodiodes (APDs) are finding application in an ever-growing set of industries.

LASER COMPONENTS will present on the latest developments around PLDs and APDs for time-of-flight measurements and high speed, high responsivity detection. The pros and cons of measurements at different wavelengths and power levels will be explored as well as more custom developments such as APD arrays and pulsed laser diodes with driving circuitry built into the packaging.

The underlying principles of TOF measurements will be discussed as well as alternative techniques for assessing distance. We’ll consider the benefits that one technique may offer over another under a particular set of circumstances and address the growing community of drones and autonomous vehicle control with an emphasis on the key technology parameters that drive components in these industries.

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How to select the right spectrometer for your application?
Dr. Thomas Rasmussen, Ibsen Photonics A/S

In spectroscopy there is no such thing as a one-size-fits-all spectrometer. So, selecting the right spectrometer among the many products and vendors on the market can be a bit like going on a treasure hunt. On a treasure hunt you will face various impediments, on which you need to decide. On your way to the treasure - the optimum spectrometer choice for your application - you will have to make critical decisions about things like wavelength range, resolution, detector type, cost, size, stability and sensitivity.

In this tutorial, we will give you some general guidelines that will help you make the right choices, based on the requirements that are most important for you, to make sure that you get exactly what you need!

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Monitoring of atomic layer deposition processes using remote optical emission spectroscopy
Tony Williams, Omni Technologies

Atomic layer deposition (ALD) is a key process in the fabrication of semiconductor devices. Effective monitoring of these processes is important for reduced setup time of the process as well as detection of contaminants during the deposition.

Conventional residual gas analysers, such as quadrupole RGAs, have difficulty monitoring ALD processes due to the high process pressures and presence of hydrocarbons.

An alternative gas monitoring sensor that operates directly at pressures above 1E-4 mbar has been built around plasma emission monitoring.

This presentation will describe the principal of this sensing method and present examples of its use in monitoring ALD precursors such as water vapour, ammonia, trimethylaluminium (TMA) and tert-butylimidobisethylmethylamino (TBTEMN).

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12.30 NIR-enhanced SiPMs target LiDAR applications
Martin Sharratt, AP Technologies Ltd

SensL Technologies’ Silicon Photomultipliers (SiPMs) are the detector of choice in a wide range of technically demanding high volume applications including medical imaging (PT, CT, SPECT) and radiation detection (Gamma & Neutron).

Several generations of SensL SiPM are already in volume use with LiDAR manufacturers worldwide due to their low voltage operation and high volume/low cost 200mm CMOS wafer fabrication with surface mount Micro Leadframe Package (MLP) technology.

SensL have now released a first-generation NIR-optimised SiPM specifically targeting near infrared (typically 905nm) LiDAR – a key emerging market due to the rapid adoption of automotive Advanced Driver Assistance Systems (ADAS).

Martin will describe the basic principles of operation of SensL SiPMs including their patented “fast-mode” readout structure as well as the performance of the new “RA-Series” before concluding with an overview of SensL’s production flow, process control and reliability testing.

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13.00 A cost-savings cascade for silicon photonics production
Scott Jordan, PI Ltd

Among the key challenges for repetitive manufacturing of Silicon Photonics devices are the multiple steps requiring fast, nanoscale alignment of optical elements.  These needs begin at the wafer level and recur through final packaging.  

Prior approaches have not been suitable for the multiple, interacting inputs and outputs commonly encountered in today’s SiP devices.  Time-consuming, costly repetitive alignment loops were required to achieve a global alignment.  The resulting slow process throughputs are worrisome for device economics.

We provide a concise review of these challenges in the face of emerging SiP architectures.  They have led to the development of a novel, multichannel-/multi-DOF-capable alignment technology with native parallelism.  It can perform global optimization across the inputs and outputs of complex SiP devices, in multiple degrees of freedom, in one rapid step.  This can eliminate the costly sequential loops formerly required.  It has already been integrated into wafer probers and volume packaging systems and is facilitating functional and parametric testing and packaging operations with high throughput.  Speed improvements can exceed two orders of magnitude versus older approaches.

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13.30 Radiometry, Photometry and Colorimetry: Understanding the basics of light measurement
Robert Yeo, Pro-Lite Technologies Ltd

The human vision system is a “perfect” light meter – what you see is what you get. However, ask anyone to quantify the amount of light or its colour, and you will not get a clear answer. Help is at hand though. The science of light measurement, and its sub-branches of radiometry, photometry and colorimetry, teach us how to assign absolute values to colour and brightness, and as Lord Kelvin once said, “when you can measure what you are speaking about and express it in numbers, you know something about it”. From lux to lumens to candelas, this talk will explain meaning of the myriad units used in light and colour measurement.

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14.00 Modelling photonic crystals with COMSOL Multiphysics® - demonstration
Dr Simone Zonetti, COMSOL Ltd

In this demonstration we will simulate wave propagation in a photonic crystal with GaAs pillars, studying transmission and reflection properties at different operating wavelengths, gaining insight into the band gap for this device. The model will be implemented in two dimensions, and it will demonstrate how COSMOL Multiphysics can handle the assignment of materials, user-defined material properties, assign boundary conditions for incoming and outgoing waves, and perform post-processing on the results of the simulation.

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14.15 Seeing life in Short Wave Infrared - The role of InGaAs based cameras in scientific imaging
Mark Donaghy, Raptor Photonics Ltd

Silicon based area detectors (e.g. CCDs or CMOS) offer excellent imaging solutions from soft x-ray through to near infrared (NIR). Above 1100nm, Silicon is transparent and therefore cannot be used to detect photons of these wavelengths. The use of InGaAs based imaging systems to capture longer wavelength photons continues to increase in many diverse application areas including life sciences.

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14.35 Applications of continuously variable filters in spectroscopy and fluorescent Measurements
Dr Oliver Pust, Delta Optical Thin Film A/S

A Continuously Variable Filter (CVF) is a wedged filter, whose spectral properties vary continuously along one dimension of the filter. A single CVF for example can replace a number of fixed filters in an instrument. It is possible to adjust the centre or edge wavelength by sliding the filter.

Delta Optical Thin Film has lifted the quality of variable filters to new levels by introducing a new powerful combination of continuously variable filters. Delta Optical Thin Film offers a Linear Variable Long Wave Pass filter (LVLWP), the corresponding Linear Variable Short Wave Pass filter (LVSWP) together with a Linear Variable Dichroic. Each of the filters can be used separately. Combining LVLWP and LVSWP enables the construction of band-pass filters that can be tuned continuously with center wavelengths from 320 nm to 850 nm, with the added benefit of tunable bandwidth. As LVF monochromator the filters are used in fluorescence microplate readers and spectrophotometers.

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14.55 Optical components for high powered lasers
Chris Bridle, Manx Precision Optics Ltd

In this short talk we will be discussing the Selection of Substrate Materials, types of Coating Design, Laser Damage Thresholds and the boundaries of what can be achieved in Optical components for high powered lasers.

This talk is aimed at anyone who wants to know more (or enquire) about Laser induced Damage Thresholds, Coating design, Optical components for Ultrafast, single wavelength or Broad band lasers. (Industrial, Aerospace, Medical or Scientific)

We will be talking  through the evolution of Substrate materials, Coating design and deposition technologies, LIDT and the products that have evolved and are available to help solve.

We will also leave a few minutes for any questions or problems that we may be able to help you with.

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Lubrication Technology for Vacuum Appications

Jay Weikel, Nye Lubricants

Nye Lubricants, Inc. will present the fundamentals of lubrication technology at the Vacuum Expo 2017. As a leader in the innovation, formulation and provision of synthetic lubricants, our oils and greases enable and improve breakthrough products and critical new technologies for vacuum and cleanroom environments. Our presentation will focus on the properties important in vacuum applications that ensure component reliability, process cleanliness, and cost effectiveness. Current lubricant technology designed to extend the operating life of high-speed bearings, linear guides for motion control, and other vacuum applications will also be reviewed.

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15.45 End of programme  

There is no need to register as an attendee for this meeting. Simply turn up just before the start of your selected tutorial.

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