# @optica.worldwide on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/DO81JvNDt3L
- **Gondola URL:** https://gondola.cc/posts/34889419-opticaworldwide-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/844e3ddc2c.jpg
- **Posted:** 2025-09-23T15:53:09.000+00:00
- **Account Owner:** Optica (@optica.worldwide) — https://gondola.cc/optica.worldwide

## Caption

Image of the week: Colorful Birefringence 

Colorful spectral interference fringes generated by a birefringent crystal with its optical axis aligned along the propagation direction, produce a striking pattern. The crystal material is alpha-BBO and the light source a Xenon lamp.

—Antonio Perri, NIREOS, Milano, Italy

*Link in Bio

#crystal #optical #light #birefringence

## Stats

- **Views:** 0
- **Likes:** 193
- **Shares:** 0
- **Comments:** 0

## Tags

light, crystal, optical, birefringence

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