TS EN ISO 15902

TS EN ISO 15902 is a vocabulary standard for diffractive optics, focused on the fundamental terms used for diffractive optical elements that operate with free-space propagation. In this field, light is controlled through microstructured surfaces and phase manipulation rather than by conventional reflecting or purely refracting optics, so a common technical vocabulary is important for design, measurement, and communication.

Technical context for diffractive optical elements

Diffractive optics makes use of the wave nature of light to shape beams by controlling phase, amplitude, or angular distribution. Diffractive lenses, beam splitters, holographic elements, and similar components are typical examples. Vocabulary standards help separate concepts that are often confused in practice, such as the intended optical function of an element and the physical way it is realised. That distinction matters when engineers discuss specifications, fabrication, and system integration.

What this standard covers

Based on the supplied scope, this standard covers the basic terms for diffractive optical elements with respect to free-space propagation. Its focus is therefore on terminology rather than on performance testing, numeric limits, or product-specific qualification requirements. In practical terms, it supports a shared language so that designers, manufacturers, laboratories, and users can refer to the same optical concepts in the same way.

In short, TS EN ISO 15902 organises the vocabulary needed to understand and discuss diffractive optics consistently. That makes it easier to work across multidisciplinary optical projects and reduces ambiguity between definitions used in different sources.