R P Tatam
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Explore the profile of R P Tatam including associated specialties, affiliations and a list of published articles.
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Articles
17
Citations
33
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Recent Articles
1.
Bergin S, Hodgkinson J, Francis D, Tatam R
Opt Express
. 2020 Jul;
28(13):19574-19592.
PMID: 32672232
Chemical sensors based on optical absorption require accurate knowledge of the optical pathlength of the sample cell. Integrating spheres offer increased pathlengths compared to single pass cells combined with tolerance...
2.
Davis N, Lynch S, Gates J, Hodgkinson J, Smith P, Tatam R
Opt Express
. 2019 Nov;
27(20):29034-29044.
PMID: 31684645
We present the development of an external cavity Bragg grating stabilized laser for tunable diode laser spectroscopy (TDLS). Our design uses a planar integrated silica-on-silicon platform incorporating a custom written...
3.
Stathopoulos N, Savaidis S, Simos H, Rigas E, Correia R, James S, et al.
Appl Opt
. 2019 Jan;
58(2):353-360.
PMID: 30645313
A new method for the analysis and design of fiber Bragg gratings (FBGs) based on the theory of transmission lines has been developed and verified both theoretically and experimentally. The...
4.
Asmari A, Hodgkinson J, Chehura E, Staines S, Tatam R
Opt Express
. 2017 Aug;
25(10):11679-11691.
PMID: 28788729
A laser diode's junction voltage is a sensitive measure of its temperature and can be used in a thermal control feedback loop. To compensate for the temperature dependence of the...
5.
Bergin S, Hodgkinson J, Francis D, Tatam R
Opt Express
. 2016 Jul;
24(12):13647-64.
PMID: 27410380
We present a four beam ratiometric setup for an integrating sphere based gas cell, which can correct for changes in pathlength due to sphere wall contamination. This allows for the...
6.
Marques L, Hernandez F, James S, Morgan S, Clark M, Tatam R, et al.
Biosens Bioelectron
. 2015 Aug;
75:222-31.
PMID: 26319165
An optical fibre long period grating (LPG), modified with a coating of silica core gold shell (SiO2:Au) nanoparticles (NPs) deposited using the layer-by-layer method, was employed for the development of...
7.
Francis D, Charrett T, Waugh L, Tatam R
Appl Opt
. 2012 Jun;
51(16):3478-90.
PMID: 22695586
Speckle velocimetry is investigated as a means of determining odometry data with potential for application on autonomous robotic vehicles. The technique described here relies on the integration of translation measurements...
8.
Duffy C, Tatam R
Appl Opt
. 2010 Sep;
32(30):5966-72.
PMID: 20856421
An optical technique for producing a heterodyne carrier frequency suitable for electronic signalprocessing schemes in sensing applications is described. The technique exploits stimulated Brillouin scattering (SBS) generated in birefringent optical...
9.
Huang J, Ford H, Tatam R
Opt Lett
. 2009 Nov;
21(18):1421-3.
PMID: 19881678
Phase stepping by wavelength modulation of the optical source is demonstrated in a path-length unbalanced shearing interferometer. A magnification difference, which accompanies the path-length imbalance in the interferometer, introduces an...
10.