Process and mold for fabricating an optical device, and an optical device

A process for fabricating an optical device comprising optically active surfaces for modifying light distribution, the process comprising:

• injecting optical silicone in fluidic state into a mold cavity formed by two or more mutually matching mold-elements,
• curing the optical silicone contained by the mold cavity, the optical silicone being reversibly elastic after the curing, and
• separating the mold-elements from the optical device constituted by the optical silicone,
• wherein at least one of the mold-elements has counterdraft causing a reversible deformation of the optical device when the at least one of the mold-elements is separated from the optical device.

An optical device obtainable by a process comprising:

• injecting optical silicone in fluidic state into a mold cavity formed by two or more mutually matching mold-elements,
• curing the optical silicone contained by the mold cavity, the optical silicone being reversibly elastic after the curing, and
• separating the mold-elements from the optical device constituted by the optical silicone,
• wherein at least one of the mold-elements has counterdraft causing a reversible deformation of the optical device when the at least one of the mold-elements is separated from the optical device.

An illuminator system comprising:

• at least one optical device for modifying distribution of light, and
• at least one light source installed to the at least one optical device and adapted to produce the light
• wherein the optical device is obtainable by a process comprising:
• injecting optical silicone in fluidic state into a mold cavity formed by two or more mutually matching mold-elements,
• curing the optical silicone contained by the mold cavity, the optical silicone being reversibly elastic after the curing, and
• separating the mold-elements from the optical device constituted by the optical silicone,
• wherein at least one of the mold-elements has counterdraft causing a reversible deformation of the optical device when the at least one of the mold-elements is separated from the optical device.