Optical assembly with high accuracy stable alignment between optical surfaces

A computer readable storage medium with computer numerical control parameters that when executed by diamond turning system, facilitate executing a method of manufacturing an optical assembly, the method comprising:

• forming a first optical component by rotating a first workpiece around a rotational axis while shaping a material of the first workpiece to form:
• a first optical surface having a first curvature that is rotation symmetric around a first optical axis of the first optical surface coinciding with the rotational axis, and
• a first alignment structure having a predefined first relative position with respect to the first curvature of the first optical surface;
• forming a second optical component by rotating a second workpiece around the rotational axis while shaping a material of the second workpiece to form:
• a second optical surface having a second curvature which is rotation symmetric around a second optical axis of the second optical surface coinciding with the rotational axis, and
• a second alignment structure having a predefined second relative position with respect to the second curvature of the second optical surface;
• and
• combining the first optical component with the second optical component, the combining including connecting, by a connection between the first alignment structure and the second alignment structure, the first alignment structure with the second alignment structure,
• wherein the first optical surface is aligned with respect to the second optical surface by:
• the connection between the first alignment structure and the second alignment structure, and
• the first predefined relative position and the second predefined relative position with respect to the first optical surface and the second optical surface, wherein the first curvature defines a first focal point of the first optical surface, wherein the second curvature defines a second focal point of the second optical surface, and
• wherein the first focal point is aligned to coincide with the second focal point.

An optical assembly comprising:

• a monolithic first optical component comprising:
• a first optical surface having a first curvature that is rotation symmetric around a first optical axis of the first optical surface, and
• a first alignment structure having a predefined first relative position with respect to the first curvature of the first optical surface;
• a monolithic second optical component comprising:
• a second optical surface having a second curvature that is rotation symmetric around a second optical axis of the second optical surface, and
• a second alignment structure having a predefined second relative position with respect to the second curvature of the second optical surface;
• wherein the first alignment structure is connected with the second alignment structure by a connection between the first alignment structure and the second structure,
• wherein the first optical surface is aligned with respect to the second optical surface by;
• the connection between the first alignment structure and the second alignment structure, and
• the first predefined relative position and the second predefined relative position with respect to the first optical surface and the second optical surface,
• wherein the first curvature defines a first focal point of the first optical surface,
• wherein the second curvature defines a second focal point of the second optical surface, and
• wherein the first focal point is aligned to coincide with the second focal point.