Optical arrangement

In an optical arrangement (A) for use in an optical circuit, wherein the optical arrangement (A) comprises a substrate plate (1), wherein the substrate plate (1) is configured to receive a multitude of optical components (12.2, 12.5), the substrate plate (1) is configured such that once the optical components (12.2, 12.5) are received by the substrate plate (1), an essentially fully aligned optical circuit is formed.