fC:          fiber core diameter NAfiber:  numerical aperture of the fiber α:           half beam cone angle M:          magnification by NA calculation dF:         focal spot diameter f1:          focal length of the collimating lens f2:          focal length of the focussing lens

Magnificationformula Biology

E:               pulse energy dF:             focal spot diameter λ:               used wavelength λspec:        specified wavelength τ:               pulse duration of the used laser τspec:        specified pulse duration LIDT:         real LIDT LIDTspec:  specified LIDT

F:          energy density / fluence E:          pulse energyF:          focal spot diameter I:           power density / irradiance Ppeak:   peak power of the laser

How to find magnification of a lensusinga

> 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

β':             magnification β'max:       maximum magnification din:           entrance beam diameter dout:         outgoing beam diameter dscanner:  aperture of the scanner

dF:      focal spot diameter dEP:    entrance pupil of the scanner dL:      entrance beam diameter (1/e²) f':        focal length λ:       wavelength APO:  apodisation factor M²:     diffraction value of the laser T:        trunctation ratio