abstract |
The priming device according to the invention is a miniature device comprising a hollow body (18) intended to receive a pyrotechnic substance (24), a rigid microlens with index gradient (30) mounted in the hollow body to focus a energy beam, of given wavelength, on the pyrotechnic substance, a metal or shape memory alloy ferrule (32) housed in the body (18) ensuring the blocking of the microlens in the body of the device, the internal diameter , at room temperature, the ferrule being smaller than the diameter of the microlens, a connector (34) fixed on the body (18) ensuring the maintenance of the microlens-ferrule assembly and that of the optical fiber (12) carrying the beam laser. |