Cookies

We use cookies to ensure that we give you the best experience on our website. You can change your cookie settings at any time. Otherwise, we'll assume you're OK to continue.

Durham University

Centre for Advanced Instrumentation

 Centre for Advanced Instrumentation

Upcoming Events

CfAI Seminar Programme: Wednesday 20th March OCW017 1pm

Mark Corrigan: Low order wavefront sensing with photonic lanterns

Nicolas Dubost: Closing a control loop with a point-diffraction interferometer Summary: In high-contrast adaptive optics, point-diffraction interferometers (PDI) have been proposed to accurately measuring quasi-static aberrations, cophasing segmented mirrors, dealing with the island problem and even acting as main WFSs in XAO systems. Here we report on the results of the integration of our own PDI, CAWS, into CHOUGH, the Durham high-order adaptive optics system. Closed-loop experiments with static aberrations were performed with both monochromatic and polychromatic light. With monochromatic light, PSF measurements showed Strehl ratio increases from 0.20 to 0.66. Preliminary broadband light tests with a FWHM of ∆λ=12% (80 nm) also showed a reduction of residual errors and an improvement of Strehl, which proves the polychromatic capabilities of CAWS. Initial simulation results are also presented, to study the necessary conditions to close a control loop on-sky.


Centre for Advanced Instrumentation

CfAI is one of the major research groups in the Physics Department at Durham with approximately 70 staff and research students. It is distributed across two physical locations, one of which is in the new Ogden Centre for Fundamental Physics on the University science site in Durham, and the other is at the North East Technology Park (NETPark), an internationally recognised location for science and technology companies, based about ten miles away in Sedgefield, Co. Durham.

CfAI develops state-of-the-art instruments for application across a wide range of disciplines including astronomical instrumentation, biophysics, remote sensing and fusion diagnostics. Research outputs can be found by following the links to individual research areas listed in the menu on the left or by a search of Durham Research Online. We also have close links with the Centre for Extragalactic Astronomy and the Institute for Computational Cosmology.


Vision Statement

To design and develop novel instrumentation based on cutting edge technologies with applications across a range of strategically important scientific areas.

Contact Details

Ogden Centre for Fundamental Physics NETPark
Address Durham University
Centre for Advanced Instrumentation
Department of Physics
Science Laboratories
South Road
Durham
DH1 3LE
United Kingdom
Durham University
Centre for Advanced Instrumentation
NETPark Research Institute
Joseph Swan Road
NETPark
Sedgefield
TS21 3FB
United Kingdom
Secretary +44 (0) 191 334 3588 +44 (0) 191 334 3588
Fax +44 (0) 191 334 3609 +44 (0) 191 334 4844

Contact Details

Centre for Advanced Instrumentation
Department of Physics
Science Laboratories
South Road
Durham
DH1 3LE
+44 (0)191 334 3588

Director: Prof. John Girkin

CfAI to Build GNIRS IFUs

GNIRS Integral Field Unit

CfAI Precision Optics expert secures UKRI Innovation Fellowship

Dr Cyril Bourgenot

CfAI has diamond machined the optics for a camera on a lunar lander.

Lander

Luna-25 space station part of the Luna-Glob Moon exploration program. (Image credit: NPO Lavochkin)