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    Cheap violet-emitting laser pens

    I snagged a violet laser pen from Ebay not long ago; it is very over spec. Looks like ~45mW at ~410nm, and it cost me $2.16 including shipping. It is published to have an output of 1mW. Here is their Ebay shop. I no longer own or have access to a spectrometer or a LPM so I have to "eyeball"...
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    Partial Laser Rainbow over the Milkyway

    OOOOoooooh! Pretty!!! :cool: :)
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    577nm Handheld

    ¡HUSOOS CRISTO EN UNA MULETA! Looks like it'll be awhile before I get my hands on one of these. :confused:
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    I used to have a 488nm directly-injected diode laser that topped out at 78mW. I purchased it on Ebay in early-August 2018 for $66.98. DIRECTLY-INJECTED 488nm GREENISH-BLUE ("CYAN") LASER PEN (Page contains some pics that some viewers may find distasteful, so the {get the eye bleach} icon has to...
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    Well fudge!!! :cry: No joy today either. :mad:
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    Guess that may not occur after all. Neither my sister nor my brother-in-law will open them for me and I am unable to do it myself. Here's hoping that tomorrow will go better.
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    I agree -- this is the wildest laser that I've seen in many years!!! :cool:
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    I MAY do this tomorrow; the meter stick arrived today but the spring-loaded clips (necessary to hold the laser's power button down and secure the grating in the optical train) won't arrive until tomorrow.
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    Thank you!!! I'll check it out when time permits!!! (y)
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    I tried this, and no field labelled, "Decimal approximation" is produced (yes, I even tried CTRL-F and searched for the string, "Decimal"). P.S. I'm forced to use a Chromebook (a Linux box).
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    I just tried it with test values; what do I press to determine wavelength and where do I read that value?
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    Hey THANKS lots and lots man!!! I really appreciate it!!! (y) :cool:🍸
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    I just purchased a meter stick (the metric version of a yardstick) so I'll be able to measure the wavelength when my diffraction grating gets here. :)
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    Thank you; I updated my OP slightly with this data. :cool:
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    Review Compilation - All Reviews In Just One Thread!

    Review of the Tinker 561nm Yellow-Green Laser Pen :cool: :D:love:
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    FYI I was able to replace the first pic to include the very snazzy case that this laser came in. :p
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    You're more than welcome -- the pleasure was all mine. :cool: Thank you for your info. re: method of lasing. I'll make corrections to my review at once.
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    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    Tinker brand 561nm Yellow-Green SFDPSS Laser Pen, retail $88.99 Last updated: 11-11-23 Manufacturer: (Unknown) This is a 561nm yellow-green SFDPSS (self-frequency doubled diode pumped solid state) laser pen that is designed to output between 30mW and 40mW. It is made primarily from...
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    My first 561nm pointer

    That's awesome, thanks!!! (y)


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