Ugh that's right... just need to get through my mind that only DPSS lasers produce IR.
Well... Keep in mind that IR diode lasers produce IR also. But among the visible light lasers, 532 green and 473 blue can potentially leak IR. As you say, any DPSS may leak IR.
Good ones are IR filtered.
I have the o-like 500mW crown and I'm pretty sure it isn't filtered. I'm betting it has around 40-50mW of IR.
Thank you for your kind workds Encap on safety, but I do want to see the beam outside and all... so... yeah... I know being cautious is not enough but that is what I will do. I use glasses inside and if I'm pointing it at anything remotely close or setting it down on a surface where the laser could move.
I don't know how old you are, but if you are an adult then you take responsibility for your own actions. There are plenty of folks on here that take educated and reasoned out risks.
Lasers aren't any fun if you can't see them.
The point is to educate yourself to the point where you can intelligently decide which risks to take and have the safety equipment to protect yourself when it is the prudent thing to do. It is also nice to have that safety equipment available for any guests you want to show your lasers to when they are visiting.
Here is a really good resource on laser safety.
SONY LASER GUIDE
Guidelines of Measures for Prevention of Injury by Laser Light Purpose
The guidelines are aimed at eliminating the possibility of injury to the workers who engage in laser device handling or services in which they might be exposed to laser light.
Laser equipment classification....based on the degrees of the effects the laser
Class 1 : Laser equipment with a low output (approximately 0.39μw or less) which does not cause any injury to the human body.
Class 2 : Laser equipment with an output of such level of visible light (400 to 700nm in wavelength) that enables the defensive reaction of the human body to avert injury (approximately 1mW).
Class 3A : Laser equipment with an output which makes direct observation of the beam by optical means dangerous and which is less than five times the output of class 2 (approximately 5mW or less).
Class 3B : Laser equipment with an output that can cause eye injury if exposed to directly but which does not cause eye injury if exposed to diffused reflected (approximately 500mW or less).
Class 4 : Laser equipment with an output which can cause eye injury even if exposed to diffused and reflected beam (approximately more than 500mW)
If any part of the human body is exposed to laser light, degeneration of protein due to thermal action, optochemical reactions with the cellular tissue, and breakdown of the tissue by impact waves (plasma current and consequent pressure waves) occur.
Such effects on the living body vary with laser light wavelength, output, output waveform (continuous or pulsed waves), etc. Generally, however, the eyes suffer heavier injury than the skin, and irreversible changes occur more readily.
It is necessary to pay attention not only to the direct and primary action of laser light but also to secondary injury that may be caused by diffusion of toxic substances resulting from irradiation of the object being aimed or other objects around the device with laser light.
You seem to have a good attitude, so I'm sure you will learn fast! :yh:
Still learning lots, I appreciate it.
Yup, 2nd year up here so still not used to it. Going to go fishing this summer for first time ever in my life haha. Anyways man I'm going to bed, school in morning. Take care. I'm praying my lasers get hereeeeee
