Uploaded March 2024 | Updated September 2026, 1 week ago
It is important to understandf that POWER is not the parameter that causes material damage. A relatively large ELECTRICAL input power is required to drive a laser creating source that in turn creates a much lower OPTICAL output power in the form of light photons . It is the INTENSiTY of those photons arriving at the material surface that detrmines the RATE of material damage. Thus, the performance of your system is dependent upon the choice of lens made by the designer (let's hope he chose well) and your ability to set the best focal point. Focal point?? there is an OPTICAL focal point and an INTENSITY focal point. I wonder which one your focus setting piece uses?
Every diode head is sold with a claimed SPOT size. I am puzzled as to how this can be possible when changing the exposure time changes the SPOT size "burnt" into your material. When doing research for this series I inquired of many "brands" as to the exact meaning of spot size. The response rate was zero. That seems to indicate this is a marketing feature and not something that is real. As this series progresses and I test more units the answer to this question will clarify.
It is important to understandf that POWER is not the parameter that causes material damage. A relatively large ELECTRICAL input power is required to drive a laser creating source that in turn creates a much lower OPTICAL output power in the form of light photons . It is the INTENSiTY of those photons arriving at the material surface that detrmines the RATE of material damage. Thus, the performance of your system is dependent upon the choice of lens made by the designer (let's hope he chose well) and your ability to set the best focal point. Focal point?? there is an OPTICAL focal point and an INTENSITY focal point. I wonder which one your focus setting piece uses?
Every diode head is sold with a claimed SPOT size. I am puzzled as to how this can be possible when changing the exposure time changes the SPOT size "burnt" into your material. When doing research for this series I inquired of many "brands" as to the exact meaning of spot size. The response rate was zero. That seems to indicate this is a marketing feature and not something that is real. As this series progresses and I test more units the answer to this question will clarify.
