THORLABS LSKGG4 User Manual

Laser scanning kit: galvo-galvo scan head

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LSKGG4(/M)

Laser Scanning Kit:

Galvo-Galvo Scan Head

User Guide

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Summary of Contents for THORLABS LSKGG4

Page 1 LSKGG4(/M) Laser Scanning Kit: Galvo-Galvo Scan Head User Guide...
Page 2 Thorlabs, Inc.
Page 3 3.1. Overview ..............3 3.2. Connector Choices ............3 Chapter 4 Getting Started ..............5 4.1. Unpacking and Inspection ..........5 4.2. Setting Up the LSKGG4(/M) ........... 5 Preparation ................5 Chapter 5 Maintaining the LSKGG4(/M) ........... 7 5.1. Cleaning ............... 7 5.2.
Page 4 4 mm Galvo-Galvo Scanner Chapter 1: Warning Symbol Definitions Chapter 1 Warning Symbol Definitions Below is a list of warning symbols you may encounter in this manual or on your device. Symbol Description Direct Current Alternating Current Both Direct and Alternating Current Earth Ground Terminal Protective Conductor Terminal Frame or Chassis Terminal...
Page 5 WARNING DO NOT use the device for anything other than its intended use. If the device is used in a manner not specified by Thorlabs, the protection provided by the equipment may be impaired. CAUTION DO NOT operate in a wet, damp, or explosive environment.
Page 6 SM05 (0.535"-40) threads. The output face has internal SM1 threads and four 4-40 tapped holes for our 30 mm cage system. Thorlabs’ 30 mm to 60 mm Cage Plate Adapter can be used to convert these ports to a 60 mm cage system that is capable of holding a scan lens.
Page 7 4 mm Galvo-Galvo Scanner Chapter 3: Description BNC Control and Power and Monitor Signal Lines Fault LEDs NI 68-Pin Connector DB-25 Connector Figure 1 Galvo-Galvo Controller Front Panel Fuse Holder Power Input Power Switch Ground Connector Figure 2 Galvo-Galvo Controller Back Panel Page 4 TTN152325-D02...
Page 8 DB-25 Connector Cable AC Power Cord Inspect the device and its accessories for any missing parts or damage. If there is any problem, please contact our nearest office (see Chapter 12 Thorlabs Worldwide Contacts for details). 4.2. Setting Up the LSKGG4(/M)
Page 9 Remove the tape on the Input/Output port of the Scan Head. Connect one end of the AC power cord to the LSKGG4(/M) and the other end to a standard power outlet. Turn on the power switch located on the back panel of the Controller. The mirrors are now centered.
Page 10 Chapter 5: Maintaining the LSKGG4(/M) Chapter 5 Maintaining the LSKGG4(/M) There are no serviceable parts in LSKGG4(/M). If you suspect a problem, please contact our nearest office for assistance from an applications engineer (see Chapter 12 Thorlabs Worldwide Contacts for details).
Page 11 4 mm Galvo-Galvo Scanner Chapter 5: Maintaining the LSKGG4(/M) 5.2. Troubleshooting Problem Solution • Check all cable connections. X FAULT and/or Y FAULT LED turns on • Make sure the Scan Head is free from any obstruction. • Unplug and replug the power supply.
Page 12 If the fuse is good, please contact Thorlabs Tech Support. Use the screwdriver to push the spare fuse holder slot from the fuse holder, and remove the spare fuse.
Page 13 4 mm Galvo-Galvo Scanner Chapter 6: Specifications Chapter 6 Specifications 6.1. General Specifications Value Specification 100.2 mm x 84.5 mm x 50.8 mm Scan Head Dimensions (3.95" x 3.33" x 2.00") 316.7 mm x 199.8 mm x 79.2 mm Galvo-Galvo Controller Dimensions (12.47"...
Page 14 4 mm Galvo-Galvo Scanner Chapter 6: Specifications Specification Value Motor and Position Sensor Repeatability 8 µrad Small Angle Step Response 130 µs (Typical) Maximum Large Step Angle 0.65° Time Delay between Input and Output Signal 90 µs Linearity 99.9% Scale Drift 50 ppm/°C (Max) Zero Drift 15 µrad/°C (Max)
Page 15 4 mm Galvo-Galvo Scanner Chapter 6: Specifications 6.4. Choosing a Scan Lens Figure 3 Mirror Distance Specification. Input Distance = Distance from the input face to the first galvo mirror (Blue Line) + 0.5 x Distance between the two mirrors (Green Line) = 25.09 + 0.5 x 4.33 = 27.255 mm Output Distance = Distance from the second galvo mirror to the output face (Yellow Line) + 0.5 x Distance between the two mirrors (Green Line)
Page 16 4 mm Galvo-Galvo Scanner Chapter 7: NI PCIe 6363 Card Schematic Chapter 7 NI PCIe 6363 Card Schematic Figure 4 NI PCIe 6363 Pinout Signal Description Characteristics Name 200 kΩ input impedance, Y Position IN Position In signal ± 10 V input 200 kΩ...
Page 17 4 mm Galvo-Galvo Scanner Chapter 7: NI PCIe 6363 Card Schematic Signal Description Characteristics Name 2 kΩ output impedance, X Position Position Out signal ± 3.75 V 4.75 kΩ output Pulled down to ground when the Y Fault impedance to 12 V fault detector trips CMOS logic 4.75 kΩ...
Page 18 4 mm Galvo-Galvo Scanner Chapter 8: Mechanical Drawing Chapter 8 Mechanical Drawing Figure 5 Mechanical Drawing of LSKGG4 Scan Head Rev B, January 14, 2020 Page 15...
Page 19 4 mm Galvo-Galvo Scanner Chapter 8: Mechanical Drawing Figure 6 Mechanical Drawing of LSKGG4/M Scan Head Page 16 TTN152325-D02...
Page 20 4 mm Galvo-Galvo Scanner Chapter 8: Mechanical Drawing Figure 7 Mechanical Drawing of LSKGG4(/M) Controller Rev B, January 14, 2020 Page 17...
Page 21 4 mm Galvo-Galvo Scanner Chapter 9: Certifications and Compliance Chapter 9 Certifications and Compliance Page 18 TTN152325-D02...
Page 22 Chapter 10: Warranty Chapter 10 Warranty Thorlabs warrants that all products sold will be free from defects in material and workmanship, and will conform to the published specifications under normal use, when correctly installed and maintained. Thorlabs provides the warranty for a period of one year.
Page 23 Waste Treatment is Your Own Responsibility If you do not return an “end of life” unit to Thorlabs, you must hand it to a company specialized in waste recovery. Do not dispose of the unit in a litter bin or at a public waste disposal site.
Page 24 4 mm Galvo-Galvo Scanner Chapter 12: Thorlabs Worldwide Contacts Chapter 12 Thorlabs Worldwide Contacts For technical support or sales inquiries, please visit us at www.thorlabs.com/contact for our most up-to-date contact information. USA, Canada, and South America UK and Ireland Thorlabs, Inc.
Page 25 www.thorlabs.com...

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