Recent content by Joel DB

  1. J

    Converstion of radiant flux (watts) to temperature (C)

    Hey all, I'm having some unique challenges on an optical system I've created, where I'm arraying several LEDs under 1 optic/reflector. We're beginning to see major degradation of the metallic coating that is applied to the part, and I'm tyring to quanitfy the temperature (converted from radiant...
  2. J

    Extremely easy math, but need expression

    Okay, This could be the easiest math question on here... but I'm going to ask the dumb question anyway. I have several coordinate points to solve for, and in each case I subtract the same amount from the previous "x" to get the next "x" value (X2...3...4...5...). The only point where I...
  3. J

    DeBroglie wavelength, kE to (p) conversion?

    I have a relatively simple question. I should know this, but... I need to solve for the deBroglie wavelength when only the kinetic energy is known. Shouldn't I be able to convert kE to momentum (p), when the object does not have a known velocity or mass...? Much thanks... JD
  4. J

    Which optics software is recommended for drawing optics schematics?

    Try looking at www.breault.com (BRO software). They've been developing optical software for decades, and work closely with University of Arizona...one of the best optical studies university in the US. I use Apex, and my senior optics engineer using ASAP. Both are very intuitive... and pricy...
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