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LCC1620(/M)
Liquid Crystal Shutter

User Guide

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Summary of Contents for LCC1620

Page 1: ...LCC1620 M Liquid Crystal Shutter User Guide...

Page 2: ...up 4 4 1 Mounting and Alignment 4 4 2 Power Supply 4 4 3 Powering On the Shutter 4 4 4 Beam Centering 4 Chapter 5 Operation 5 Chapter 6 Specifications and Graphs 6 Chapter 7 Mechanical Drawing 10 Chap...

Page 3: ...Description Direct Current Alternating Current Both Direct and Alternating Current Earth Ground Terminal Protective Conductor Terminal Frame or Chassis Terminal Equipotentiality On Supply Off Supply...

Page 4: ...ding safety of operation and technical data in this instruction manual will only apply when the unit is operated correctly This device complies with Part 15 of the FCC Rules Operation is subject to th...

Page 5: ...agram A line on the front of the housing see Figure 3 marks the transmission axis of the shutter Linearly polarized light needs to be aligned with this mark for optimal shutter operation When powered...

Page 6: ...ith a vertical or horizontal polarization axis can be aligned with the shutter Additionally the liquid crystal shutters are designed to be compatible with Thorlabs 30 mm cage systems The four 4 40 hol...

Page 7: ...tch the shutter from off to on When in the on position light is transmitted through the shutter which is indicated by a green LED When the ATTENUATOR mode is selected the potentiometer is used as an a...

Page 8: ...Two 8 32 M4 Threaded Holes for Post Mounting 30 mm Cage System Compatible 1 Lens Tube Compatible Operating Temperature 15 C to 60 C Dimension 60 mm x 60 mm x 27 mm Figure 5 Liquid Crystal Shutter CR...

Page 9: ...ase 10 logarithmic scale All light is linearly polarized and aligned in the direction of the transmission axis on the front surface 350 400 450 500 550 600 650 700 750 800 0 10 20 30 40 50 60 70 80 90...

Page 10: ...Liquid Crystal Shutter Chapter 6 Specifications and Graphs Page 8 CTN002190 D02 Figure 8 Normalized Contrast Ratio vs Frequency Figure 9 Switching Time Stability...

Page 11: ...g edge from 90 to 10 0 346 ms 0 344 ms 0 342 ms A C Delay between the input pulse s rising edge at 90 and shutter down to 10 0 416 ms 0 404 ms 0 392 ms D E Delay between the input pulse s falling edge...

Page 12: ...M has M4 tapped holes instead of 8 32 tapped holes 3 14 79 7 mm 0 79 20 0 mm 4 40 Tapped Holes for 30 mm Cage System 4 Places 1 18 30 0 mm 1 18 30 0 mm 1 06 27 0 mm 8 32 Thread Internal SM1 1 035 40...

Page 13: ...ber of our Technical Support team will be happy to assist you 8 1 Troubleshooting Problem Solutions No Output Power Remove the caps In SHUTTER mode adjust the knob until the LED light is green In ATTE...

Page 14: ...Liquid Crystal Shutter Chapter 9 CE Certification Page 12 CTN002190 D02 Chapter 9 CE Certification...

Page 15: ...r Thorlabs products such as Pure OEM products that means assemblies to be built into a unit by the user e g OEM laser driver cards Components Mechanics and optics Left over parts of units disassembled...

Page 16: ...USA Canada and South America Thorlabs Inc sales thorlabs com techsupport thorlabs com Europe Thorlabs GmbH europe thorlabs com France Thorlabs SAS sales fr thorlabs com Japan Thorlabs Japan Inc sales...

Page 17: ...www thorlabs com...

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