# Large numerical aperture off-axis reflective telescope design with a freeform mirror based on aperture expansion strategy

> Research article (Applied Optics, 2023) · cited 13× · AI/ML

**Wikidata**: [openalex:W4317613985](https://www.wikidata.org/wiki/openalex:W4317613985)  
**Source**: https://4ort.xyz/entity/large-numerical-aperture-off-axis-reflective-telescope-design-with-a-freeform-mirror-based-on-aperture-expansion-strateg