Lasers & Optical Fibers Technologies
Laser Firing Unit / Opto-Pyrotechnics
Next generation Opto-Pyrotechnics
Laser Firing Unit summary
IDIL Fibres Optiques develops a new generation of systems and components for opto-pyrotechnics technology. A well-defined laser pulse is generated and transported within an optical fiber to be delivered on the target, i.e. an IOP (opto-pyro initiator) or a DOP (opto-pyro detenator) into launchers, thrusters, missiles or explosives.
A complete and safe opto-pyro system includes a Laser Firing Unit (LFU) emitting a NIR light pulse travelling through a ground Optical Harness (OH) to the target. Multiple stage Safety Barriers (SB) ensure the entire opto-pyro channel integrity.
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- Multi-channels (modular slots)
- System programming & Remote control (Ethernet RJ45 socket)
- Calibration mode access (expert user)
- Multiple Safety Barriers (Laser interlock, laser safety key on each channel, harness presence detection, innovative optical switch…)
- No arming allowed without optical line test completed successfully
- Arming and firing from remote controller only
- No electronics, no ecltrical wires inside harnesses
- Aerospace
- Defense
- Research
- Civil engineering
| Laser Firing Unit (LFU) | |
|---|---|
| Number of channels | 1, 2 (more upon request) |
| Firing laser source (power and wavelength) | 10W @940nm (more upon request) |
| Firing pulse power, Tuning step | 0.1W |
| Firing pulse duration | Adjustable from 0.1 to 500ms |
| Line control source (power and wavelength) | 2mW @1310nm |
| Interface for software remote control | Ethernet |
| Dimensions | 19" - 5U rack |
| Power supply | 230V, 50-60Hz |
| Optical Harness (OH) | |
| Number of fibers | 1 up to 24 |
| Fiber types | MM105/125 (specific design). More upon request |
| Low insertion loss | <4dB/km |
| Low bend loss | Operation ROC= 150mm |
| Length | Up to 1000m |
| Cable characteristics | OD= 5 to 11mm, Outdoor use (moisture & UV resistant, LSZH, [-14,+65°C]) |
| Configurations | Straight, fan-out |
| Connectors | Souriau D38 999 family with ELIO contacts, FC/PC, ST/PC, SC/PC, SMA |
| Aerospace qualified versions available | |
| Connector pinout | Upon customer's provided schematic |
| Multiple Stage Safety Barrier | |
| Military grade optical connectors | Robust (2.5mm ceramic ferrule) |
| Electrical contact to confirm connector to LFU | |
| Used as a standard on aircraft and military programs | |
| Seal integrated inside rear boot & bayonet locking mechanism | |
| Safe monitoring | Remote control |
| Successful test is needed to initiate firing | |
| Standard or expert user modes | |
| Optical Safety Barrier (OSB) | The safe position of the optical switch ensures no light is exiting from the LFU |
| to the optical harness | |
3 MODES
STAND-BY: Adjust your lasers parameters (duration, power). Wait for command from remote controller.
TEST: Check the integrity of the opto-pyro line with a low power laser at a safe wavelength.
ARMED:Turn on armed mode and fire after a successful test. Return to rest mode after each firing.
EXPERT USER – CALIBRATION MODE
A personal password is required to access the calibration mode and prepare the firing sequence. Most of the safety barriers are unlocked, except the mechanical ones: interlock, keys, harness presence, OSB. A firing command can be sent without prior line test.
STANDARD USER – SOFTWARE REMOTE CONTROL MODE
Laser duration and power can be remotely configured in a secure manner. EAch of the 3 modes can then be sequentially activated until the final firing command.
