Description: The WDI Laser Auto-Focus ATF5 sensor is an active optical device (incorporating a semiconductor laser) designed to provide focusing servo systems with fast feedback signals needed to quickly and accurately focus all types of infinity corrected microscopes.
- Technology: Optical Triangulation Position Sensor
- Measurement Range: 0.0984 inch
Description: WDI's Laser Auto-Focus ATF6 sensor is an active optical device (incorporating a class II semiconductor laser) designed to provide focusing servo systems with fast feedback signals needed to quickly and accurately focus all types of infinity corrected microscopes.
- Technology: Eddy Current Proximity Sensor
- Output: Current
- Body: Rectangular
Description: The ATF4 sensor provides an auto focusing servo system with fast feed back signals needed to accurately focus almost every type of infinity corrected microscopes. It projects a reference laser spot through the microscopes own objective lens. The sensor determines direction and measures the distance
- Type: Component / Subsystem
- Options / Components: Monitoring Sensors / System
- Process / Operation: Micromachining / Trimming, Other
- Materials Processed: Semiconductors / Electronics
Supplier: Foremost Machinery Corp.
Description: FANUC radio frequency discharging mode; Auto-set of start and maintenance of the laser generator. Professionalized FANUC 18i-LB CNC system, stable and convenient. U axis control for the equal route in the flying ray, excellent performance. Cutting head with un-contacted capacitor displacement
- Type: Complete / Turnkey System
- Options / Components: Gantry System / XY Table, Laser Head / Focusing Unit, Laser Optics / Beam Delivery, Laser System Enclosure
- Process / Operation: Laser Cutting
- X-axis Travel / Length Capacity: 159 inch
Description: subtle temperature differences with astounding clarity. Built-in Video Recording, Digital Camera, Safety Laser – Store thermal and/or standard video to MPEG4/H.264 standard SD memory cards and view playback in the field or on a monitor. The 3.2 Megapixel visible camera features auto
- Operating Temperature Range: -4 to 572 F
- Spectral Range: 3 to 5 microns
- Accuracy: 2 ±% Full Scale
- Maximum Frame Rate: 60 frames per second
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Laser Engraving Equipment - Features, Accessories and other Must-haves (.pdf)
be focused to its smallest spot size at the point where it contacts your material. Auto-focusing the laser beam is simply a matter of using a motorized table lift and a sensor to move the table up or down until the top of the work surface is the correct distance from the focus lens. Manufacturers use
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Springer Handbook of Mechanical Engineering
One option is to use auto - focusing laser sensors (see capitel laser measuring technology).
Role of diode lasers in metrology
However, the auto - focus laser sensors have some disadvantages because of the small spot size.
Single particle adsorbing transfer system
Additionally, a LTA- 02 laser sensor auto - focus unit (Selectronet AG, Krefeld, Germany) was integrated for automatic distance control, by constantly measuring the distance of sample adsorbing head to sample surface.
Relief extraction of rough textured reflecting surface by image processing
Rough surface relief extraction is generally made by a mechanical method using a tactile sensor or by using an auto - focus laser sensor .
Volumetric erosion measurements of contacts tested in DC automotive relays
The system used to make the non- contact measurement of the contact surface consists of 3 high precision linear stages typically of 25mm range coupled with a high precision auto focus laser displacement sensor .
Scaling law investigations in spot sizes dependence in the ns regime
The set-up for the high frequency LIDT measurement is similar to the set-up of the low repetition rate technique, except for the laser source, the auto focus sensor , and the sample, which was located inside a vacuum chamber.
The Laser Nano Sensor from Laser Measurement International uses auto focus principles with resolution as fine as 5 nm at speeds up to 250 kHz to quantify surface roughness of reflective material.
Displacement measurements of technical surfaces with a synchronously pumped external cavity diode laser
The detection of the focus of a laser beam is used in the auto focus sensor .
Mechatronics and Intelligent Materials II
 X H Xie, Y Wang and T Li: Research on Precision Micro-displacement Laser Sensor System Based on Auto -servo Focusing Principle.
Bell 406 (OH-58D) Kiowa Warrior
Mast-mounted sight houses ×12 magnification TV camera, auto - focusing IR thermal imaging sensor and laser range-finder/designator, with automatic target tracking and in-flight automatic boresighting.
The sight houses a x12 magnification TV camera, auto ‐ focusing IR thermal‐imaging sensor and laser rangefinder/designator.
Advances in CPL, collimated plasma source and full field exposure for sub-100-nm lithography
Added wafer thickness measurement capabilities were included and gives the system an Auto - focus mechanism via a laser based Keyence triangulation sensor yielding a thickness accuracy of +/- 2um.
Advances in wafer level and chip scale packaging
The sophisticated suite of metrology sensors used in conjunction with the laser interferometer and auto - focus system enables the measurement capability required to calibrate and optimize system performance, including lens distortion, lens focus, illumination uniformity, and the position of the alignment system …
Friction of the Human Finger Pad: Influence of Moisture, Occlusion and Velocity
… each counterbody was mea- sured with 2 lm lateral resolution over at least a 2 mm2 area using a laser profilometer (based on a Rodenstock LS10 Laser Stylus, which belongs to a class of dynamic auto - focusing sensors known as ‘optical followers’ …
Status of the Southern African Large Telescope (SALT) first-generation instruments
Active primary mirror and prime focus payload alignment system, including capacitive edge sensors on the former and laser auto -collimator and a Mach-Zender distance measuring interferometer on the latter.