Simple laser using magnifying glasses, lenses and a laser pointer

[Aidan39]

Hi guys, sorry new to this, I'm looking to build a simple laser using magnifying glasses, lenses and a laser pointer. How would I go about it and can I get away with using the pointer or do I need a laser diode?

 

[f95toli]

A laser pointer IS a laser. So it is not clear what you are you trying to build. Could you be more specific.
(I assume you are not going to use the pointer as a pump-laser)

 

[Aidan39]

Sorry for being unspecific, I'm trying to make a low power laser capable of creating heat on an object not just light

 

[AlephZero]

I'm trying to make a low power laser capable of creating heat on an object not just light

The reason that legal laser pointers have low power output is so they can't "create heat" and cause injury to people.

If you want to use a laser for heating or cutting, you need a higher power laser, and YOU ALSO NEED TO UNDERSTAND THE SAFETY REQUIREMENTS OF WHAT YOU ARE DOING. This forum won't give you any advice on potentially dangerous activities, except for "don't do it".

 

[alphy]

Hello! Building a simple laser using magnifying glasses, lenses and a laser pointer is definitely possible. However, it is important to note that a laser pointer alone may not be enough to create a strong and focused laser beam.

To build a laser using these materials, you will need to first understand the basic principles of how a laser works. A laser works by using a laser diode to produce a highly focused and coherent beam of light. This beam is then amplified and directed using lenses and other optical components.

While a laser pointer does contain a laser diode, it is typically not strong enough to produce a powerful laser beam. Therefore, it would be best to use a separate laser diode in your design.

To build your laser, you will need to carefully align the lenses and magnifying glasses to focus and amplify the laser beam from the laser diode. Additionally, you will need to ensure that the laser diode is properly powered and controlled to produce the desired beam.

It is also important to note that building a laser can be dangerous and should only be done by individuals with proper knowledge and safety precautions. We recommend consulting with an experienced scientist or engineer for guidance and assistance in building your laser.

Best of luck with your project!