OpticalManufacturers

=== resolvedinstruments.com ===
https://resolvedinstruments.com A low-noise balanced photodetector with an internal ADC and data streaming using USB 3.1. Linked from OpticPatents.
=== szdf ===
http://www.alloptic.com/
http://www.photonicsolution.com
http://www.connectzone.com/angled-polished-fiber.html
=== kjh ===
http://groups.google.com/group/sci.optics.fiber/browse_thread/thread/8e1864dcde1ab5cb#
Phil Hobbs wrote:
> I have a nice external-cavity C and L band laser (1550-1630 nm), but I
> need a bit more power (like 100 mW). I also need it to be polarization
> maintaining. I'll be running it saturated most of the time, so I don't
> much care about the flatness.
> Any suggestions for C/L band PM EDFAs?
> Thanks
> Phil Hobbs
Hi Phil
I've been doing some work recently with Gooch and Housego in Torquay,
(formerly Sifam) http://www.sifamfo.com/ and they have done a lot of work
in the enabling technologies for this type of product- polarisation
maintaining WDMs, couplers etc, and may be able to help out. They have also
done a bit of in house work on amplifiers etc. but I don't think they sell
them at present as it may step on too many customers toes, but they may be
able to tell you who can supply what you want or help you roll your own.
The other company that I'm aware of that has some PM amplifiers is Keopsys
http://www.keopsys.com/?page=home
cheers 
=== lens manufacturers ===
LED optical lenses to focus the beam. 
collimator lens /?? what is collimator
 * http://www.directindustry.com/prod/jenoptik-polymer-systems/fresnel-lens-17956-148994.html
 * http://www.alibaba.com/catalogs/190404/Lenses.html
 * plastic lens:1.used for PIR sensor and alarm 2.we can make different kinds of lens for you!...
 * http://www.alibaba.com/product-gs/213697809/plastic_lens.html
 * http://www.alibaba.com/product-gs/209982219/plate_lens.html plate lens
=== CCTV lenses ===
http://zselec.en.alibaba.com/
http://www.alibaba.com/product-gs/50172280/Manual_Iris_Lens.html
http://zselec.en.alibaba.com/product/50045759/50172274/DC_Auto_Iris_Lens.html
http://www.alibaba.com/product-gs/207291205/Sigma_120_400mm_f_4_5.html order 1 quantity
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