Description

Encapsulated Laser Blocking Roller Blinds

Encapsulated laser safety roller blinds are made using Lasermet’s specially developed laser blocking Orca material, which is certified to BS EN IEC 60825-4 Safety of Laser Products – Part 4: Laser Guards.

Lasermet Roller Blinds are built into a white finish aluminium frame, which encapsulates the top, both edges and bottom of the blind. This eliminates any possibility of laser beams passing around the sides of the blind, blocks out all direct light, and provides a neat finish.

It is vital that Roller Blinds are certified and the material has been tested to the relevant laser safety standards. If non-compliant material were to be used – for example untested, uncertified sun blocking material — this may have the potential to allow laser beams to penetrate the blind and cause harm to personnel and equipment.

Lasermet’s laser blocking roller blinds are designed as a passive guarding system to block laser light from escaping the theatre, laboratory or laser facility where Class 3B or Class 4 lasers are in use, either to protect against accidental exposure to the laser beam or for long term blocking of laser radiation at lower power densities.

The blinds are fitted to cover windows and to doors where there is a window built into the door, and Lasermet have several options to suit any application.

Interlock® Controls

Lasermet Roller Blinds can be fitted with an IS-MDC-12 Dual-channel Interlock® Switch for easy integration into a laser safety interlock system.

The Interlock® System will prevent the arming of the laser when the roller blinds are open. The roller blinds must be closed before arming the system to prevent any laser radiation from escaping through the windows.

Manual Controls

Lasermet’s Roller Blinds offer several manual operation modes including chain-operated, crank handle, and motorised options.

ICS-RBX Wireless Roller Blind Controller

For remote and wireless control of Lasermet’s Laser Blocking Roller Blinds, check out the ICS-RBX Controller.

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Laser Safety for Clinics, Dentists, and Medical Environments

Most Class 4 and many Class 3B lasers present an eye hazard over very long distances and it is therefore imperative to have comprehensive laser safety protection in place wherever they are present.

Laser radiation must be prevented from escaping through the windows of laboratories and production facilities. Ordinary curtains or screens are rarely capable of stopping a laser beam and specially designed blocking products are required.

Adopting Best Practice in Laser Safety

In the UK, the National Health Service (NHS) has issued a Best Practice Guidance Document HBN 26 “ which provides guidance on facilities for in-patient operating theatres in acute general hospitals.

Specifications

PEL RATINGS FOR ORCA LASER BLOCKING MATERIAL

Lasermet’s Orca Laser Blocking material is CE and UKCA marked and certified to BS EN IEC 60825-4 Safety of Laser Products Part 4: Laser Guards.

Protection times given by the material at various power densities are shown in the table below.

Irradiated Area	PEL (T3) 10S	PEL (T2) 100S
4mm²	3.9 MW/m²	2.2 MW/m²
2000mm²	0.62 MW/m²	0.35 MW/m²

PEL RATINGS FOR WOLF LASER BLOCKING MATERIAL

An alternative roller blind material, the Wolf laser blocking material, is suitable for some specific environments. The Wolf Laser Blocking material has a lower PEL rating but is still sufficient up to certain limits.

Irradiated Area	PEL (T3) 10S	PEL (T2) 100S
4mm²	248 kW/m²	140 kW/m²
2000mm²	124 kW/m²	70 kW/m²