17a Surplus [X = CLOSED FOLLOWING COVID OUTBREAK]
i US-BASED (in no particular order)
1. ebay Lab Lasers & Photonics
http://www.ebay.com/sch/Lab-Lasers-Photonics-/109452/i.html?ssPageName=STRK%3AMEFSRCHX%3ASRCH&_sop=10
2. ebay Industrial Lasers
http://www.ebay.com/sch/Industrial-Lasers-/53141/i.html?ssPageName=STRK%3AMEFSRCHX%3ASRCH&_geositeid=3&_sop=10&_trksid=m194&ssPageName=STRK:MEFSRCHX:SRCH
3. Sterling Resale Optics; I believe US ebay seller 'hologuy' owns this site.
4. Surplus Shed has a broad range of optical and industrial surplus
5. X Iowa State university sales (US-only)
http://www.centralstores.iastate.edu/surplus/items-for-sales
6. Science Surplus reconditions spectrometers and sells them and low cost DIY kits
http://www.science-surplus.com/products/spectrometers
7. Sam's Laser Classifieds Page - a huge range of equipment and optics
http://www.repairfaq.org/sam/sale
8. BMI Surplus sells a huge range from electronics to optics and general industry
9. Electronic Surplus sells a large range of vintage electronics
http://www.electronicsurplus.com
10. Optotronix sells broad range of optical surplus
11. Sphere Research Corporation sells a huge range of surplus electronics and instruments
http://www.sphere.bc.ca/index.html
12. Electronic Goldmine sells a large range of interesting surplus at great prices
http://www.goldmine-elec-products.com/products.asp?dept=1285
13. Information Unlimited sells plans, kits and parts for the scientifically curious
14. Meredith Instruments sells laser surplus
15. Netty Electronics sells surplus semiconductors
http://nettyelectronics.com/
16. The Electrostore sells electronic surplus including high voltage capacitors
17. Cheap aftermarket alternative to Tektronix 067-0616-00 7k series plugin flexible extender
http://ecosensory.com/tek/tek_7K_flex_sales_blurb.txt
18. Superb supplier of scientific curios and parts, e.g. X-ray-emitting tube $55 (2018)
ii UK-BASED
1. ebay Melles Griot (also try Newport Optics, Thorlabs)
http://www.ebay.co.uk/sch/i.html?_odkw=melles+griot&_osacat=0&_from=R40&_trksid=m570.l1313&_nkw=melles+griot&_sacat=0
2. ebay All Categories (there are no dedicated UK lasers / photonics categories)
http://www.ebay.co.uk/sch/allcategories/all-categories/?_rdc=1
3. Laser Sources UK - a very useful, affordable surplus laser parts supplier
http://laser-sources.co.uk/Harmonic-Crystals.php
4. Stewart of Reading sells surplus instruments
http://www.stewart-of-reading.co.uk/stock_lists.htm
5. Surpletronics sells surplus new electronic components
http://www.surplectronics.com/default.asp
6. X SSE sells HV vacuum relays, RF attenuators and the odd instrument amongst other surplus
http://www.ssejim.co.uk/16-jennings.htm
7. ABEX (Proprietor Adam BEXley) sells instruments and equipment
http://www.abex.co.uk/esales/index.php
8. Unigreenscheme sells a wide range of surplus at good prices
https://shop.unigreenscheme.co.uk/
9. X Electrojumble sells a wide range of electronics surplus
http://www.electrojumble.org/index.htm
10. Private seller Eric Heath offers a broad range of vintage electronics surplus
http://www.ebid.net/uk/stores/EricIoW-eBid-store
iii OTHERS
1. Greece QService Electronics sells new and old parts for instruments e.g. Tektronix, HP etc
http://www.qservice.tv/VPASP/default.asp
17b Professional Optics Related Suppliers
i US-BASED
1. Melles Griot IMO the best, sells high quality optics and related equipment
2. Newport Corp. sells high quality optics and related equipment
3. Thorlabs Inc. sells optics and related equipment
4. Edmund optics sells optics and related equipment
http://www.edmundoptics.co.uk/optics
5. Stellarnet sells high spec spectrometers and related equipment
6. ESCO Optics sell optics at reasonable prices
ii UK-BASED
1. X Stock Optics sells a wide range of optics with prices listed on-site
2. UQC Optics sells optics with prices listed on-site
iii OTHERS
1. Lithuania ESKMA Optics manufactures and sells optics at reasonable prices
Exotica like BBO FSM is sky-high, e.g. 213nm + 2130nm to 193nm summing BBO, part# BBO-0423-03H
('H = mounted in open ring holder') = € 1135 [Jan 2018]:
http://eksmaoptics.com/nonlinear-and-laser-crystals/nonlinear-crystals/beta-barium-borate-bbo-crystals
2. China Crysmit also offers what looks like an identical
213nm + 2130nm to 193nm summing BBO, 10x10x3mm, θ 40.3°, φ 90°, part# BBO-122, mounted.
They may even be the actual manf? I have yet to ask their prices.
http://www.crysmit.com/BBO-stock.html
3. China HG Optronics
Willing to offer low cost laser optics even in small prototype quantities.
My contact was Fred Zhang: fredzhang@hgoptronics.com
17c Professional Electronics Distributors
i UK-BASED
1. CPC (Combined Precision Components)
2. Farnell Element 14
3. RS components
4. Rapid Electronics
5. Cricklewood Electronics
http://www.cricklewoodelectronics.com
6. Langrex specialises in vintage tubes, transistors, ICs etc. Also on ebay as seller 'yitry'
7. The Robot Shop sells PIC and Arduino based PCBs, kits and general components