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Thread: FS: Coherent Sapphire 488-200 OPSL Laser

  1. #1
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    Default FS: Coherent Sapphire 488-200 OPSL Laser

    For sale is a fine Coherent Sapphire 488-200 OPSL laser.

    Ideal for many purposes, including holography.

    It includes everything you need to get going:
    • Laser Head (488-200 Rated at 200mW)
    • Power Supply (110-240V)
    • Blower (110V only)
    • All cables and connectors
    • PC Control Software
    • Printed manual
    • Engineers installation report
    • 2x Control Dongles for the laser power supply
    • A 200W UK -> USA power converter (not included if shipping to US. Not much point sending it, and quite heavy!)


    The date of the laser system is June 29th 2007
    And the EEPROM reads that the laser head has seen 940 hours. These units have been reported to last for 10,000-15,000 hours on average.
    The engineers installation report states the laser outputted 206mW when first configured.

    The Coherent laser head is packaged inside a plastic housing as it was badged an Lyt200s for use in a flow Cytometry machine.

    I've used this laser for approximately 1-2 hours to have a tinker with, however using the PC software, I can't work out how to make the laser output more than 70-80mW. Perhaps there is a potentiometer on the power supply board to change this.

    This is similar to the unit Mr. Smogthemog was selling a few weeks back.

    I am willing to post worldwide, however with all the parts this system is quite heavy, so please ask for a postage estimate. Buyer is responsible for all related postage/customs/import fees and duties.

    Payment is to be made by cash (on collection) or PayPal (buyer pays extra for fees) or online bank transfer.

    Open to all cash offers...

    Cheers,
    Dan


    And now some pics:
    Attached Images Attached Images
    - There is no such word as "can't" -
    - 60% of the time it works every time -

  2. #2
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    Thumbs up

    Very nice item! You may want to set a price range before we all start to low ball you. Cause I got $5 on it...
    Love, peace, and grease,

    allthat... aka: aaron@pangolin

  3. #3
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    Default

    Quote Originally Posted by danielbriggs View Post
    I've used this laser for approximately 1-2 hours to have a tinker with, however using the PC software, I can't work out how to make the laser output more than 70-80mW. Perhaps there is a potentiometer on the power supply board to change this.

    This is similar to the unit Mr. Smogthemog was selling a few weeks back.
    Yes it is similar, so similar i thought it was the same but it appears not.

    http://www.photonlexicon.com/forums/...ead.php?t=8850

    Either way, i am kind of disappointed that a Coherent product is pulling a Laserworld type deal with their power ratings. It seems two products of the same type have a "typical" output rating of 35% of the rated output. I am sure to get support on either one of these lasers you would have to pay an extreme amount of money. Good luck with the sale, i am sure you will not need it since this is probably a well wanted item.

    Edit: to allthat, i dont think $5 will get you one. Seriously, whats so valuable about this laser.
    http://cgi.ebay.com/ws/eBayISAPI.dll...m=170386356876
    Last edited by dream beamz; 09-29-2009 at 09:05.

  4. #4
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    Default

    Regarding the power output, perhaps there is some setting that we (hobbyists) don't know about.. It's strange to me that both of the units that have appeared here on PL recently are doing roughly the same max output. To me, it's more likely to be user error than Coherent sending out sub-par units..

    Also, it's interesting that all the serial numbers have been neatly and painstakingly removed.

  5. #5
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    Quote Originally Posted by ElektroFreak View Post
    To me, it's more likely to be user error than Coherent sending out sub-par units..
    I concur, I just simply don't know enough about OPSL's to fiddle.

    Quote Originally Posted by ElektroFreak View Post
    Also, it's interesting that all the serial numbers have been neatly and painstakingly removed.
    How so?
    I have attached two more pics to clearly show all serial numbers. If there is any other information you need, please let me know and I will post it.

    (Also attached is a photo of all documentation I've collected and put in a nice binder)
    Attached Images Attached Images
    - There is no such word as "can't" -
    - 60% of the time it works every time -

  6. #6
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    ^sorry, I meant the ebay unit in the link from dream_beamz in post #3..

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    Ah, I see.
    Sorry...
    - There is no such word as "can't" -
    - 60% of the time it works every time -

  8. #8
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    This is not an issue with the laser being physically damaged, I found out that the laser is limited by the software to run at a very low current normally to extend the life of the laser. There is a way to run it af full power.
    CLICKY!!!

    Admin: In the immortal words of Captain Planet: YOU HAVE THE POWER
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  9. #9
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    Default sold?

    Did Laserben buy this? Is it for sure SLM? Did he get he power issue solved? Looks nice. Phil 142laser
    Phil Bergeron( AKA 142laser)

  10. #10
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    Hi Phil

    I know someone who's bought one of these for exposing DCG holography plates. It will be interesting to see his results.

    Here's the link to the product data sheet in .pdf format.

    http://www.coherent.com/downloads/Sa...P_DSrevB_1.pdf

    Cheers

    Jem
    Quote: "There is a theory which states that if ever, for any reason, anyone discovers what exactly the Universe is for and why it is here it will instantly disappear and be replaced by something even more bizarre and inexplicable. There is another that states that this has already happened.... Douglas Adams 1952 - 2001

  11. #11
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    I sent you a PM.
    CLICKY!!!

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  12. #12
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    Quote Originally Posted by Laser Ben View Post
    This is not an issue with the laser being physically damaged, I found out that the laser is limited by the software to run at a very low current normally to extend the life of the laser. There is a way to run it af full power.
    Basically this could be considered coherent ripping everyone off. Selling a 200mw laser that will run 200mw at limited not as advertised lifetime. Seriously, by everyones standards on this message board, if this was not coherent then everyone would be complaining

  13. #13
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    Laser Warning

    No, the lasers get their full lifetime at full power, however, if you need a 100mw laser, it is cheaper to buy a 200mw laser and run it at 1/2 power to greatly extend the lifetime, rather then buy two 100mw systems. Coherent does not sell products that do not live up to their specs.
    CLICKY!!!

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  14. #14
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    Quote Originally Posted by Laser Ben View Post
    Coherent does not sell products that do not live up to their specs.
    Really, I have a garage full of items from them that did not last their expected lifetime under lab conditions, grossly underpowered. Matter a fact, I still have yet to see a documented and maintained laser actually last their lifetime at spec

    luckily for coherent on this one they do not even give a life expectancy on their website so you could be considered correct on this particular item

    http://www.coherent.com/Lasers/index...ibutes&ID=1009

  15. #15
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    I found this identical system on eBay for comparison:
    http://cgi.ebay.co.uk/iCyt-Mission-T...7#ht_500wt_758

    That's what they're worth new, but I assure you the price I am willing to sell for is A LOT less than that!

    Dan
    - There is no such word as "can't" -
    - 60% of the time it works every time -

  16. #16
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    Quote Originally Posted by dream beamz View Post
    I have a garage full of items from [Coherent] that did not last their expected lifetime under lab conditions, grossly underpowered. Matter a fact, I still have yet to see a documented and maintained laser actually last their lifetime at spec

    luckily for coherent on this one they do not even give a life expectancy on their website so you could be considered correct on this particular item

    http://www.coherent.com/Lasers/index...ibutes&ID=1009

    If what you say is the norm for Coherent, then given their prices this is a HUGE issue.. If I paid nearly $40,000 for 200mW of 488 and it failed to make power, and then it died prematurely, I'd be beyond pissed even if I was a scientist with a research grant.

  17. #17
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    That is why things have warranties. I doubt there is a car which has ever gone without a single problem, they have warranties, and I don't see you complaining. Simply put, Coherent productsnlive up to their specs, that is now, perhaps in the past, the Ion lasers had trouble, but new DPSS systems don't have those issues.
    CLICKY!!!

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  18. #18
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    Do you know how to 'open' these Sapphires up Ben? If so, pray tell

    I am sure Dan would love to mess with 200mW of 488 rather than just poke about with 70 odd
    --------------------
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  19. #19
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    Quote Originally Posted by ElektroFreak View Post
    If what you say is the norm for Coherent, then given their prices this is a HUGE issue.. If I paid nearly $40,000 for 200mW of 488 and it failed to make power, and then it died prematurely, I'd be beyond pissed even if I was a scientist with a research grant.
    Since most scientist with research grants do not post on PL, you usually do not hear about them being pissed off

    Quote Originally Posted by Laser Ben View Post
    That is why things have warranties. I doubt there is a car which has ever gone without a single problem, they have warranties, and I don't see you complaining. Simply put, Coherent productsnlive up to their specs, that is now, perhaps in the past, the Ion lasers had trouble, but new DPSS systems don't have those issues.
    The point is the coherents go through the same issues other manufactures do. My complaint is with all laser manufactures. Realistically a 200mw laser should probably be turned down to 100mw and then some mystical magic will occur (the laser will last a lot closer to its advertised life expectancy). This goes across the board with everyone who manfactures lasers, melles, coherent, cni, lw.

    My gripe is with the industry and how its customers have just kind have come to peace with not getting their moneys worth in this industry. Show me any solid state laser that got 10,000 hours and I would be shocked.

  20. #20
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    Dan

    the last place i woulod want to spend $38,000 bucks on a "Brand new" laser .... is EBAY

    its some guy that is trying it on ..... his average auction finishes at about $50 ... out of the 40 or so auctions he has done ...

    even though his Ebay name suggests he is connected with the manufacturer... and says its supported by a team of engineers ... im sure he wont be a coherent dealer that can provide the warranty and support

    smells of a little bit of BS .... but even i can be wrong

    all the best ...


    Karl

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    Yep, there is no way I'd spend that kind of money on eBay.
    I just found it and thought I'd post it for reference

    Cheers Karl,
    Dan
    - There is no such word as "can't" -
    - 60% of the time it works every time -

  22. #22
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    Quote Originally Posted by Laser Ben View Post
    This is not an issue with the laser being physically damaged, I found out that the laser is limited by the software to run at a very low current normally to extend the life of the laser. There is a way to run it af full power.
    How much is full power when you "remove" the limit?

  23. #23
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    200mW, or that is what they are rated at.

    I think Ben is talking about the 79,ishmW limit that it has set on it at the moment.
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  24. #24
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    Quote Originally Posted by smogthemog View Post
    200mW, or that is what they are rated at.

    I think Ben is talking about the 79,ishmW limit that it has set on it at the moment.
    I let people know how to do it when I get the laser from Jim, I want to make sure that what I was told is the actual problem.
    CLICKY!!!

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  25. #25
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    Quote Originally Posted by Laser Ben View Post
    I want to make sure that what I was told is the actual problem.
    With the greatest respect, he's been straight with you, he told you exactly what it was making. If it can be turned up higher that's a bonus for you, if not then you got exactly what he offered you.

    (Just adding this little bit of sense because I can see the whole argument blowing up again).

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