This may sound like a dumb question but are you able to use this through the glass? Or is it submersible?
As long as the glass is clean, it will work fine (the laser focusing lens is made of glass.) My initial research shows the same is true for acrylic as it's optically clearer than glass. In theory, it might also be possible to build a waterproof version that would allow submersion (although I don't think it will be necessary.)
Protecting the livestock from eye damage resulting from viewing the beam endpoint can be accomplished with as little as a section of smoked or frosted acrylic pipe placed on the end of a long rod or dowel. Even with this, extreme caution will be required as an 1800mW laser would instantly badly burn or slice through any living thing that happened to encounter the beam.
The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore, all progress depends on the unreasonable man. - George Bernard Shaw
Originally Posted by iyachtuxivm
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