Laser Lab · 5 minute guide
Laser Lab & MOPA Color Calibration
A suite of physics engines to calculate DPI conversions, output galvo settles, test speeds and powers, and solve stainless steel MOPA oxide recipes.
By Scott Bedow, Founder & Lead Developer · Published July 4, 2026 · Updated July 31, 2026
Manufacturing manager who runs CO2, diode and MOPA fiber lasers; builds and maintains every Reticle Red tool.
Method — Walked end to end in the live tool before publishing. Screens and step order match the current build; settings shown are starting points to validate on scrap.
What this tutorial covers
- DPI conversion and output-galvo settle calculators.
- Speed and power test-grid generators for any material.
- MOPA oxide color recipe solver for stainless steel marking.
1. Choose the calibration task
Open the Laser Lab tab that matches the job, such as material testing or MOPA color planning. Enter the machine and material information available for that tool.
2. Build a controlled test
Choose a useful range of settings and generate the appropriate test grid or calibration output. Change one variable at a time when interpreting the result on matching scrap.
3. Inspect paths and record the result
Check the receiving file for intended starts, ends, jumps and dimensions. Record the machine, lens, material, focus and settings alongside the best physical test so the recipe can be repeated.
Validate the workflow on your machine
Treat the finished file as a controlled starting point, not a universal machine recipe. Confirm the artwork dimensions after import, verify focus and lens selection, and run a small test on scrap from the same material batch before committing the production piece. Change one variable at a time when tuning speed, power, frequency, line interval, or pass count. Record the machine, source wattage, lens, material finish, focus method, and final settings with the saved job. That short production note makes the result repeatable for the next operator and prevents a strong screen preview from being mistaken for a proven burn.