Articles by FOC FAQ

QUESTION: How long is the setup time for a Halide deposition compared to solution doping soot deposition?ANSWER: Assuming the MCVD system is set up for a standard preform, the halide system (rotary joint and injection system) can be installed in a day.A typical...

QUESTION: What size cores can be deposited with the Halide deposition?ANSWER: Typical core sizes are around 3 mm but are by no means the limit.Much larger cores can be deposited by increasing core passes as is typically done with MCVD.In addition, higher SiCl4...

QUESTION: What is the manufacturing time reduction compared to solution doping?ANSWER: The reduction in manufacturing time is significant, bringing time scales on the order of weeks to one day.To make preforms with relatively large diameter cores, solution...

QUESTION: What is the preform compositional taper using Halide deposition?ANSWER: There will be variations in the dopant profile from end to end of the preform but these are typically not very different than standard MCVD preforms.With rare earth preforms,...

QUESTION: What are the pros and cons of fiber versus copper?ANSWER: To begin, some basic definitions because semantics matter….Copper carries electrical pulses on metal strands, most often for voice signal due to its limited bandwidth.Fiber carries pulses of...

QUESTION:  Why does crystallization happen?ANSWER: Simply put, the liquid resin is fighting to return to its natural state, which is a solid form.Crystallization in epoxies is so common that major manufacturers have written datasheets on the subject....

QUESTION: Is it worth re-cleaning a connector after installation?ANSWER: If you are an installer or planning an installation, of fiber optic cable assemblies - keep in mind the cost and pain that can be (and almost always IS) involved in re-cleaning a...

QUESTION: We need to make short fiber with the coating removed in certain sections.Some coatings are hard to remove.Are there automated solutions for that?ANSWER: We work with 3SAE Technologies who has designed and manufactured a wide range of high ...

QUESTION: When purchasing lapping film, we need some additional resources like a customer service line or online documentation for our questions.Do you have that?ANSWER: When purchasing manufacturing materials, oftentimes, you simply place an order and...

QUESTION: Why aren't packages of less than 2.5 or 2 grams available?ANSWER: Some epoxy manufacturers offer 2.5-gram packages as their smallest quantity!one manufacturer offers a 2-gram package.When packaging the material, the manufacturers are...