LaserSpeed 8000-3 Instruction Handbook

System Overview

κ

Side View

Material Surface

Resulting Electrical Signal with Frequency (f)

t

Measurement Region

Top View

d

Material Movement

Fringe distance (d) is a function of laser wavelength (λ) and beam angle (κ):

Period is the inverse of frequency:

Velocity is distance divided over time:

Velocity is integrated to find Length

d = λ 2sinκ

t = 1f

v = dt

L = 0T v dt

Part No. 93463 / Drawing No. 0921-01561

Page 15 of 221

Revision A (Sep 2007)

Page 15
Image 15
Laser LS8000-3 manual Material Movement