Instrumentation and
Measurement
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Coursework support
lecture
Dr Ricardo Correia
List of potential suppliers for optical components
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Tunable laser source.
- Finisar S7500
- It is a MG-Y (Modulated Grating Y-branch) tunable laser source.
- https://www.digikey.co.uk/product-detail/en/finisar-corporation/7500001/775-
1219-ND/7652675?_ga=2.51394798.635478067.1575414432-
1612576230.1570979893
£2,060.24
https://media.digikey.com/Photos/Finisar/MFG_7500001.jpg [accessed on 08/12/21]
List of potential suppliers for optical components
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Broadband light source.
- SLD
- https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=3902
£1,244
https://www.thorlabs.com/images/GuideImages/3905_SLD1023S_2_SGL.jpg
[accessed on 08/12/21]
List of potential suppliers for optical components
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Fibre optic fused couplers/splitters
- https://www.thorlabs.com/
- https://www.fs.com/uk/
- https://www.all4fiber.com/
https://www.thorlabs.com/images/xlarge/TTN047496-xl.jpg [accessed on 08/12/21]
List of potential suppliers for optical components
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Photodiodes
- https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=28
https://www.thorlabs.com/images/xlarge/24112-xl.jpg [accessed on 08/12/21]
List of potential suppliers for optical components
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Optical switch
- https://www.thorlabs.com/
- https://www.fs.com/uk/
https://www.fs.com/uk/products/34148.html [accessed on 08/12/21]
£357.48
List of potential suppliers for optical components
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Spectrometer
- Ibsen £3400
- BaySpec £ 5475
https://ibsen.com/wp-content/uploads/IMG_3969-Cut-1024x6821.jpg
[accessed on 08/12/21]
https://www.bayspec.com/wp-content/uploads/2013/01/FBGA_2018.png
[accessed on 08/12/21]
List of potential suppliers for optical components
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FBGs
- https://fbgs.com/ (offers draw tower FBGs and Femtosecond written FBGs)
- https://www.femtofibertec.de around £60 for 1 fibre with 3 FBGs
- Standard FBG (recoated) - £10 per fibre with around 3 FBGs
List of potential suppliers for optical components
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Fabry-Perot tunable filter
- Micron optics £3500
https://lunainc.com/product/ffp-tf-ffp-tf2 [accessed on 08/12/21]
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Tunable laser source system
Fibre Bragg gratings interrogation systems
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Tunable laser source system with 4 channels
Fibre Bragg gratings interrogation systems (continuation)
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Tunable laser source system example
Fibre Bragg gratings interrogation systems (continuation)
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Scanning filter based system
Fibre Bragg gratings interrogation systems (continuation)
a
b
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a) SLED emission spectrum
b) Scanning Fabry-Perot filter spectrum for different applied voltages
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Optical spectrum analyser/Spectrometer based system
Fibre Bragg gratings interrogation systems (continuation)
A – Input fibre
B, F – slit
C, E – Concave mirror
D – rotating diffraction grating
G – Photodetector
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Optical spectrum
analyser