Sold! 2 meter Glass Toslink cable, metal shielded to protect fibers but galvanic isolated. $35 - Buy & Sell Audio and Computer Components - Audiophile Style
Digital Optical Cable Sound Bar | Digital Optical Cable Soundbar - Digital Fiber - Aliexpress
Fiber-optic cable - Wikipedia
Toslink Glass Digital Audio, 280 Individual Strands of Glass, low signal loss | Reverb
Archimago's Musings: MEASUREMENTS: TosLink digital optical audio cables.
Amazon.com: Unique Products Online 6 Ft. Toslink Glass Digital Audio Constructed from 280 Individual Strands of Glass ensures The Least Signal Loss : Electronics