Techincal Notes: Laser Optik
Formulary
> 1. Fokussing lenses
> 1.1 Calculation of the minimum focal diameter
> 1.2 Calculation of the rayleigh length
> 1.3 Calculation of the focal diameter for fiber imaging
> 2. Laser Induced Damage Threshold (LIDT)
> 2.1 Energy- and power density
> 2.2 Estimate of the LIDT
> 3. Beam expanders
> 3.1 Calculation of the magnification
> 3.2 Divergence angle
General explanations
> Part number
> Datasheets, technical drawings and CAD-files
> Anti-reflective and low-absorption coatings
> Design wavelength
> Absorption and thermal focus shift
> Working distance
> Diffraction value M²
> Reversed Mode
> Beam diameter
> Apodisation factor
> Spot size (1/e²)
> Rayleigh length
> Fiber imaging
ƒ-theta lenses
> General explanations
> Lens type recommendation
> Internal ghosts
> External ghosts
> Fused Silica with low-absorption coating
> Spot expansion for applications with USP lasers
> Optical and mechanical scan angle
> Aperture stop and mirror distances
> Change of the scan lens position
> Spotdurchmesser Diagramm
> Telecentricity
> Black Box files for Zemax OpticStudio®