Anti-Laser Glass Film
Anti-Laser Glass Film is designed for secure rooms, offices, laboratories, and other sensitive spaces with external-facing windows. It helps reduce the risk of laser-based optical eavesdropping while maintaining normal daylight transmission and a discreet appearance.
Applied Directly to Existing Glass
Discreet Window-Level Protection
The film can be installed directly on existing glass surfaces, adding an optical protection layer without changing the professional appearance of the room.
Built for Window-Level Signal Protection
Infrared Laser Absorption
Provides near 100% absorption of infrared laser energy for anti-eavesdropping protection.
Clear Indoor Visibility
Maintains visible light transmittance of ≥60% for normal room lighting and daily use.
Low-Profile Installation
Similar in appearance to standard window film, suitable for offices and secure facilities.
Low Transmittance Across Key Eavesdropping Laser Bands
Reduce the Usable Laser Return Signal
Laser eavesdropping depends on laser energy passing through a window and returning with vibration information from objects inside the room. The film absorbs infrared laser energy and significantly reduces laser transmission through the glass, lowering the effectiveness of optical eavesdropping attempts.
Typical Use Cases
- Secure meeting rooms
- Government and security offices
- Command centers and control rooms
- Corporate boardrooms
- R&D laboratories
- Confidential negotiation rooms
- Technical workspaces
- Facilities with exposed glass windows
Performance Data
| Visible Light Transmittance | ≥60% |
|---|---|
| 900–1100nm Eavesdropping Laser Transmittance | ≤0.02 |
| 1100–1300nm Eavesdropping Laser Transmittance | ≤0.01 |
| 1300–1800nm Eavesdropping Laser Transmittance | ≤0.005 |
| Infrared Laser Absorption | Near 100% |
| Operating Temperature | -55°C~85°C |
Multilayer Construction
The film combines protective coating, PET substrate, laser-absorbing material, adhesive layer, and release liner for installation on glass surfaces.