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Beam Shutters & Beam DumpsLaser Beam Shutters for Safety & Beam Control Applications

  • Gravity operated for fail safe control
  • Combined shutter and laser beam dump for added safety
  • Compatible with safety control systems
  • LED indication of shutter status (output available for remote indication)
  • Interlocked safety shutdown or manual operation
  • Safety latch prevents accidental laser beam switch on
  • Remote switching option
  • Low current requirement
  • Also available as OEM product

The LS- range of laser beam shutters are combined shutters and beam dumps designed to be driven by a safety control system such as the Lasermet’s Interlock®家里没人半夜就和姐姐 controller for use as a means of shutting down the laser beam automatically during unauthorised access, or manually when the beam is not required. They can also be used as stand-alone laser shutters for manual or remote switching of the laser beam. They are also available as OEM products.

Schematic overview of shutters connected to Interlock® control with safety and warning devices

Opening of any laboratory door without use of the override will result in the shutter closing, thus preventing unprotected persons from exposure to the laser radiation.

家里没人半夜就和姐姐The shutter is fail-safe and gravity operated so any loss of power will cause the shutter to close without reliance on springs or any other device.

Combined Shutter & Beam Dump

家里没人半夜就和姐姐The LS-10-12 and LS-100-12 shutters are designed to absorb all the laser beam power thus eliminating the need for an additional beam dump and avoiding hazardous reflections. The laser beam is converted to heat and radiated from the shutter case.

家里没人半夜就和姐姐These shutters can be used with lasers up to the maximum average power specified as follows.

  • The LS-10-12 is suitable for up to 20 W average power.
  • The LS-100-12 is air cooled by a fan and suitable for up to 200 W average power.

Low Current Requirement

Intelligent design results in low current consumption. This increases the number of shutters which can be run from the same power supply and keeps the shutter cool for use as a beam dump when closed.

ModelMax laser power (W)Aperture Size (mm)Drive voltage
(V DC)
Drive voltage with
LS-VC-24.12
(V DC)
Current consumption (mA)Size (mm)
LS-10-12201511 – 1415 – 3515098 x 63.5 x 36*
LS-100-122005011 – 1415 – 35150130 x 150 x 140 *

* 100mm including tube
** 175mm including tube

Operating Voltage

家里没人半夜就和姐姐The LS-10-12 and the LS-100-12 shutters work on 12 VDC (11 – 14 VDC range).

However, if your supply is 18, 24 VDC or similar, Lasermet provide the LS voltage converter (part no. LS-VC-24.12) which enables operation from 15 – 35 VDC.

Operating Logic

家里没人半夜就和姐姐The shutters will not open unless power is supplied.  When power is supplied a yellow LED lights to indicate that power is present.  A green LED will also light indicating that the shutter is fully closed.  To open the shutter the green button must be pressed.  The green LED will go out and an orange LED will light indicating that the shutter is fully open.  The shutter can be closed by pressing the red button or by cutting the power.

Remote Switching Station

家里没人半夜就和姐姐For applications where the LS-10-12 and LS-100-12 laser shutters are used in an enclosure and the buttons cannot be accessed, or for other remote switching requirements, the Remote Switching Station (Part No. LS-RS) can be used to open and close the shutter remotely.

Switch Bypass Mode

Alternatively, the LS-10-12 and LS-100-12 laser shutters can be put into ‘switch bypass mode’ by changing some internal links on the PCB inside the shutter.  In this mode the shutter will open immediately when the power is applied and close when the power is turned off.

Remote Indication of Shutter Status

12 VDC outputs are available from the shutter to power remote LEDs indicating shutter status.

Remote Interlock® Board

An optional Interlock® board (part no: LS-10-IB) can be fitted, providing two volt free contacts, one normally open and one normally closed, which can be used to Interlock® another device to the shutter status.  These contacts are rated at 2A and 30 VDC.

Fixings

The LS-10-12 has a single M6 thread in the base and can be mounted to a breadboard by use of an optical pin.

The LS-100-12 has four M6 mounting threads in the base.  It can be mounted on a breadboard at any angle, by use of the mounting plate pack LS-100-MP and metric (LS-100-MAS) or imperial (LS-100-IAS) mounting screws

 

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