# @optica.worldwide on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/DOowZASjb0j
- **Gondola URL:** https://gondola.cc/posts/34588319-opticaworldwide-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/d4a3086c28.jpg
- **Posted:** 2025-09-15T20:46:43.000+00:00
- **Account Owner:** Optica (@optica.worldwide) — https://gondola.cc/optica.worldwide

## Caption

Image of the Week: Fluorescence in Calcite

Fluorescence and birefringence in a calcite crystal with a 445-nm laser. 

—Jan Pavelka, Czech Republic, Wiki European Science Competition 2015; CC-BY-4.0

*Link in Bio

#laser #Fluorescence #birefringence #calcite #crystal

## Stats

- **Views:** 0
- **Likes:** 275
- **Shares:** 0
- **Comments:** 0

## Tags

fluorescence, crystal, laser, birefringence, calcite

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