Láseres para el procesamiento de la imagen (Imaging)
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Láseres para el procesamiento de la imagen (Imaging) - 2

Z-LASER products have been designed and built in Freiburg (Germany) for more than 20 years. Prin-ted circuit boards, housings and other components come from suppliers around Freiburg. Each laser is exactly adjusted to standard or customer specifications and is tested piece by piece before shipping.Due to continuous production and cost optimization Z-LASER of course has been ISO 9001 certified for more than 10 years. In addition to that, all pro-cesses are regularly tested by industrial key customers according to their own quality standards. What our customers get is of continuous and...

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Láseres para el procesamiento de la imagen (Imaging) - 3

Depending on the angle between laser and camera one can either record small variations with high resolution or big variations with reduced resolution. When using line grids there is always the risk to muddle up the lines as for example one line might be shadowed by the object. In such cases it is ad- vantageous to use a block of several Super Mini line lasers which are separately switched on and off. This allows a failure-free distinction of which line is where. If objects to be analyzed is not stationary but is in motion, the light source is modulated and synchro- nized with the image...

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Láseres para el procesamiento de la imagen (Imaging) - 4

In most of the applications the laser is angled while the camera is vertical mounted. So the resulting point projection has always an elliptic shape. In these cases the circularity of the point is not so impor- tant. If required, points with circular beam profile can be made. Z-LASER is working on the realisation of such an optic. > Circular beam profile Equal or Gaussian intensity distribution Line projections can be realized by using cylinder, raster or Powell lenses. Cylinder lenses produce a Gaussian light distribution along the line whereas the diameter of such a lens influences the...

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Láseres para el procesamiento de la imagen (Imaging) - 5

Line width Important for all applications is the optimal sharpness at given measurement distance. Typically one will use preferably fine lines to get a good resolution. Influence on the line width - or better to say: the visual impression - has not only the performance of the optic, but also - due to interferences - the structure of the substrate to be investigated. > Line profile of a Powell lens 36 m (FWHM) at f = 135 mm Side lobes Especially or exact measurements of small objects the line width has to be constant in the FoV (field of View). In addition the profile perpendicular to the...

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Láseres para el procesamiento de la imagen (Imaging) - 6

Line Straightness High quality laser lines can be manufactured with a very exact straightness of the line. Only if lines are straight, exact deformation measurements are easy to perform. Low cost products have often bent lines or have the shape of an Sē. Z-LASER adjusts each line laser during the production process precisely to a straight line. Even for lines of several meters the variation is not more than 0.1 mm. On demand we will measure every line and enclose a test log in the delivery, which states the line width in the focus and the maximum variation from being a straight line. > In...

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Láseres para el procesamiento de la imagen (Imaging) - 7

Coherence creates Speckles Specklesӓ are generated due to the coherence of the laser radiation and disturb due to the distributi-on transversal to the laser line the sharpness of the edges and the homogeneity of the line. In general you can say that specklesē on rough surfaces can only be reduced but not fully avoided. Reduction options are given by the use of superluminescence diodes (SLD) due to a diminished coherence length or relative movement between object and camera. In superluminescence diodes the spontaneous emission processes overweigh only in the range of small injection...

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Láseres para el procesamiento de la imagen (Imaging) - 8

Z-LASER are extremely robust and can be used in the heavy-dutyē version in rough industrial surroundings. > Z-LASER are except for the Mini-series (where the di-mensions make this impossible) ֖ built potential-free and have a reverse battery protection, which protects the laser diode when accidentally mixing-up the negative and positive pole. That means that no extra isolation for the lasers, when they are installed, is necessary. Isolation al- ways means bad heat conduction, which leads to a stronger heating of the laser diode and a lower life-expectancy of the product. Although the mains...

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Láseres para el procesamiento de la imagen (Imaging) - 9

Depending on the application the laser power required can range from a few mW up to more than 1 Watt. A continuous beam performance is guaranteed for diode lasers by the control electronics (APC = automatic power control) and photo diodes for feedback control. For high power it is recommended to stabilise the laser in addition by thermoelectric cooling. > TTL Analogue In many applications the laser has to be swit- ched on and off by a TTL-signal. It is very im- portant, that the laser power is switched to full power without overshooting. If the output power needs to be adjusted it can be...

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Láseres para el procesamiento de la imagen (Imaging) - 10

ZBZDZNZVZPTZQOptics ZB ZD ZN ZV ZPT ZQ > focusable nononoyesyesyes > Gauss Line 3/5а/10/15а/20/30/ 90а noyesyesyesyesyes > Powell Line 30, 45а, 60, 75а, 90 nonoyesyesyesyes > Raster line 20а, 40 yesyesyesyesyesyes > Elliptic dot yesyesyesyesyesyes > Circular dot noyesyesyesyesyes > DOE multi lines, grids, circles, concentric circles crosses etc. noyesyesyesyesyesControl options > Modulation up to 20 kHz nonoyesyesnoyes > Modulation up to 100 MHz nonoyesyesnono > variable intensity control noyesyesyesnoyes > 3 level intensity control nonoyesyesnono > active temperature control...

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Láseres para el procesamiento de la imagen (Imaging) - 11

Laser type: Diode laser up to 3 mW Laser class: depending on design Operating voltage: 5V DC Electronics: APC control, no modulation or intensity control Electr. connection: Cable with Texas-plug, 2-pole or twin-wire cord Housing: stainless steel IP protection class: IP50 Optics: Dot, Raster lens -lr20 (only for short distances up to 500 mm) Point spot quality: elliptic Line quality: equally distributed intensity along the line Focus ability: for Point yes, Line: fixed focus Electrical connector: Pin 1 Plus 5V/DC Pin 2 GND When mounting the laser it has to be electrically insulated...

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Láseres para el procesamiento de la imagen (Imaging) - 12

Laser type: Diode laser up to 30 mW Laser class: depending on design Operating voltage: 5V DC / 24 VDC option Electronics: APC control Option: intensity control (3rd wire) Electr. connection: Cable with Texas-plug, 2-pole or twin-wire cord or Texas socket Housing: chromed brass IP protection class: IP63 Optics: Point, Cylinder lens, Raster lens, DOE Point spot quality: elliptic or circular Line quality: Gaussian or equally distributed intensity along the line Focus ability: factory adjusted according to customer specification Electrical connector Pin 1 Plus 5V/DC Pin 2 GND 12 >

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Todos los catálogos y folletos técnicos Z-LASER GmbH

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