55 light-transmitting double-glass components

Which glass fiber has the broadest low-loss spectral range?

Chalcogenide glass (ChG) fiber possesses the broadest low-loss spectral range (from near-IR to up to 16 µm), in comparison with any other glass fibers . Note that it is known that fluoride glass fibers are highly hygroscopic in particular under the condition of high power laser operation .

What is the difference between fluoroindate glass and ZBLAN glass?

However, despite the slightly higher thermal stability of fluoroindate glass (Tg ≈ 300 °C for InF 3 and Tg ≈ 280 °C for ZBLAN glass 40), it requires faster cooling rates of glass-forming melts than fluorozirconate glass. Contrary to ZBLAN in the fluorozirconate glass family, there is no golden standard for InF 3 -based glass composition.

Why are chalcogenide glass fibers twined?

First, the fragility of the chalcogenide glass challenged the in situ twisting of the fibers during heating and tapering. Instead, the fibers were twined before clamping into the experimental system. The purging of nitrogen (or other inert gas) was essential for eliminating water vapors from the furnace chamber.

What are chalcogenide glass fibers?

Chalcogenide glass fibers Chalcogenide glasses are a large group of materials containing one or more of the chalcogens (S, Se, or Te) combined with elements from IV, V, or VII groups of the Periodic Table (Ge, As, Sb, Ga, In, P, F, Cl, etc.).

Are fluoride glass fibers hygroscopic?

Note that it is known that fluoride glass fibers are highly hygroscopic in particular under the condition of high power laser operation . Instead, ChG glass (sulfide or selenide glass based) fibers are fairly stable to relative harsh environment.

What is ZBLAN glass?

The original ZBLAN glass attributes to the specific composition of 53% ZrF 4, 20% BaF 2, 4% LaF 3, 3% AlF 3, and 20% NaF. 37 At present, this term is attributed to a variety of glass compositions based on ZrF 4, which are used interchangeably in modern literature.