Laser Cutting & Drilling Techniques
1917 Einstein predicted the possibility of what we call the laser.
https://www.thoughtco.com/thmb/h-vN9gnvgNBs7NhWDgFM4fPBHQk=/768x0/filters:no_upscale():max_bytes(150000):strip_icc()/the-visible-light-spectrum-2699036_FINAL2-c0b0ee6f82764efdb62a1af9b9525050.png
450 nm for LED 550 for green 10400 nm for co infrared 
 yag is 1064 often used for surgery. \
excimer laser   Excimer lasers emitting at wavelengths 248 nm and 193
https://www.nasa.gov/sites/default/files/thumbnails/image/spectrum_graphic_web_updated_small_0.png
How it Works
Spie LASER 50 years.
 How LASERS work.
Archives Overview LASERS
Class 4 Lasers Safety
Laser Recipes
z Axis control
z Axis Stepper
Auto Focus
z axis
z Axis Table
Rotary Y axis
Manual z
Cloudray z axis
z axis project
Multi Color wire assortment
z axis eleksmaker
ac infinity, we have the 6 inch, should have bought it the moment we bought the laser.

 Jtech Safety Plex
Eleksmaker Z axis
Board game & Trinamic auto home


Spread Sheet Laser Driver BOM
MO2 Version Schematic

DIY Z Axis Slide

Z-axis Youtube Search

Advanced Z table
 Elexsmaker z Head

Super modulation***
Fundamentals of LASER diodes. Snapshot of Info
LASER Drivers
Peltier cooling
Laser Courses...
MIT  I
MIT II
MIT III
MIT More
Continued

Beam modulation
The electrical bias for the junction needs to be a stable, low-noise, transient free current source.


Drivers
Drivers II ?
More on Drivers
BYU High Reliability Current Driver


Position Sensing Feedback Loops
Intelligent Video Fiber Optics, Robotics & Lasers & AI= ???

Lead in Cut
Punch and cut
Drill hole for start point  and create a circle that intersects the line to be cut in the waste material.
Lead in Pro.By Kern for Corel Draw.
Corel Draw

Laser Foil Weeding
Circuits
Clear Glass and Acrylic by reflection. Green Laser? 550
CO2 10600nm
Item number 45887
Copper plating

Endurance Lasers
Accessories
Laser Driver Board MO1
Components
This board consists of a powerful field transistor, an optocoupler, and resistors.
– VT1-IRFZ44N,
– IC1-PC817,
– R1- 100 ohm,
– R2- 1 Kohm,
– R3-10 kOhm,
– R4-680 ohm.




Making Circuit Boards via LASER
Ugly Truths???
Pulsing Lasers... LED highest frequency
https://www.thorlabs.com/images/tabimages/Laser_Pulses_Power_Energy_Equations.pdf
Pulsing for Drilling
Q switching of solid-state lasers typically allows repetition rates from below 1 Hz to the order of 100 kHz
https://odicforce.com/Background-and-Projects/Page-/-Category
https://www.picoquant.com/products/category/pulsed-lasers-and-leds
ColorWavelength (nm)
Red780 - 622
Red780 - 622
Orange622 - 597
Yellow597 - 577
Green577 - 492
Blue492 - 455
Violet455 - 390

666205462.222222
green laser @550nm
red lser @650nm

0.00045 millimeter
0.45 micrometer28282307.3584906
.45µm

10.6 micrometers
0.0106 millimeter
The CO2 laser is an invisible laser with an infrared wavelength of 10,600 nm.

deci-     d-      10−1     0.1      tenth     1795
centi-     c-      10−2     0.01      hundredth     1795
milli-     m-      10−3     0.001      thousandth     1795
micro-     μ-      10−6     0.000001      millionth     1873
nano-     n-      10−9     0.000000001      billionth      milliardth     1960
pico-     p-      10−12     0.000000000001      trillionth      billionth     1960
femto-     f-      10−15     0.000000000000001      quadrillionth      billiardth     1964
atto-     a-      10−18     0.000000000000000001      quintillionth      trillionth     1964
zepto-     z-      10−21     0.000000000000000000001      sextillionth      trilliardth     1991
yocto-     y-      10−24      0.000000000000000000000001      septillionth      quadrillionth     1991