3d printed optical mounts

Publication update – Speckle instrumentation

Some recent research arising from our project investigating the application of speckle velocimetry (SV) project for Mars rovers and other autonomous vehicles (EPSRC grant – EP/H019839/1) has been accepted for publication. During the course of the SV work it became apparent that the observed speckle shift was very dependent upon…

pdv result

Publication update – Flow measurement

In the paper “Frequency-division multiplexing (FDM) for interferometric referencing and multi- component measurements in Planar Doppler Velocimetry (PDV)” we explore the applications of high speed industrial cameras for full-field interferometry and the multiplexing of velocity channels via frequency division multiplexing

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Publication Update – Optical Fibre Sensing

Our latest paper, published in the IOP journal Measurement science and technology (http://iopscience.iop.org/0957-0233/) , describes a novel optical signal processing scheme for range-resolved interferometric processing. The scheme originally investigated for applications in LIDAR is applied to a form of optical fibre sensors – Fibre segment interferometry (FSI) – that has…

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PhD Studentship in Photonics for Environmental Monitoring

Update – this position has been filled. We do however welcome applications for PhD Studentships in any of our research  areas at any time. Department of Engineering Photonics Cranfield University, Bedfordshire, UK Fully funded: £13,726 pa stipend, tax free* Tuition fees paid* Start date Oct 2013. Application deadline 16th June…

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COS Reviews: All-fiber multifunction continuous-wave coherent laser radar at 1.55μmm for range, speed, vibration, and windmeasurements

Review of ‘All-fiber multifunction continuous-wave coherent laser radar at 1.55μmm for range, speed, vibration, and windmeasurements, Christer J. Karlsson, Fredrik Å. A. Olsson, Dietmar Letalick, and Michael Harris, Applied Optics, vol. 39 (21), (2000)’ Reviewed by John Davenport and the Cranfield Optics Society. This paper describes the function of newly…

"Engineering optics, from bench top to bedside"

The head of our department organised a talk yesterday by Bruce Tromberg. Bruce Tromberg is professor of Biomedical Engineering; professor (jointly) of the School of Medicine at the University of California, Irvine; and a Director of the Beckman Laser Institute. Additionally, he is also…. okay, I’m going to stop there…

“Engineering optics, from bench top to bedside”

The head of our department organised a talk yesterday by Bruce Tromberg. Bruce Tromberg is professor of Biomedical Engineering; professor (jointly) of the School of Medicine at the University of California, Irvine; and a Director of the Beckman Laser Institute. Additionally, he is also…. okay, I’m going to stop there…

COS Reviews; Junction and carrier temperature measurements in deep-ultraviolet light-emitting diodes using three different methods

The Cranfield Optics Society (COS) was setup to enable its members to develop the skills and attributes required by researchers. To that end we regularly meet and discuss papers that are relevant to the work we do, and analyse them as a group. The papers are discussed on their clarity,…

An inside-out snowman

I made an inside-out snowman from two integrating spheres. Below is a picture and line drawing to show the insides. This is also a personal tribute to the work of Rachel Whiteread, who amongst other things produced an inside-out house, and a library as a memorial to the victims of…

Snowtonics: the photonics of snow?

Fresh snow is bright, white and opaque. What does this actually mean, optically? Fresh snow is opaque If you’ve seen snow, you will know this to be true. But why? Snow is made of, erm, snowflakes, which are made of ice, which is transparent, not opaque. Snow is what we…