Please email your question to AskFOC@focenter.com and we will respond ASAP. In addition to replying, we will post your question and our answer here on the AskFOC page. Everyone remains anonymous when we post so feel comfortable asking your questions. You can also search to see if your question has already been answered in the FAQs section below.
QUESTION: What lapping films are available with PSA (Pressure Sensitive Adhesive) back? Does that vary by size, disk, sheets rolls etc.?
ANSWER:
Abrasive minerals are available in Alumina Oxide, Silicon Carbide, or Diamond. Lapping films are available of...
QUESTION:
When does less cladding get faster transmission rates or does it?
ANSWER:
In most applications light is injected into the core of the glass fiber and follows the physical patch of the fiber due to the internal reflection between the core/cladding...
QUESTION:
Does FOC’s lapping film supplier use petroleum for their heat source?
ANSWER:
In continuing their effort to reduce harmful emissions and improve energy efficiency, our lapping film supplier recently switched their heat source from...
QUESTION: What are the differences between Silicon Carbide, Diamond, and Final in Lapping Films?
ANSWER:
Silicon Carbide is typically used for epoxy removal, Diamond is used to recover or form the Radius of Curvature and Apex Offset, and the final film...
QUESTION:
How does an ultrasonic bath work for cleaning polishing fixtures?
ANSWER:
The walls of an ultrasonic cleaner vibrate and a particular high frequency, transferring pressure waves to the water. These waves have the effect of pushing-and-pulling the...
QUESTION: What are the typical steps for terminating a fiber?
ANSWER:
A typical fiber is “terminated” through the following steps:
Fiber is stripped and cleaned.
Epoxy is prepared and injected into a ferrule assembly (ferrule pressed into a...
QUESTION:
What is the ideal fiber height for a fiber optic connector?
ANSWER:
This is a common (and perplexing) question for many and driven by our industry’s various specifications for fiber height.
The specification dictated by IEC’s international...
QUESTION:
Which connector has the longest history?
ANSWER:
The first connector to be accepted as a widely used standard in the early days of the fiber optic industry, in the late 1970s, was designed by Amphenol in CT as a variation of their coaxial...
QUESTION: Do you have any documentation available on controlling end-face geometry characteristics of PC ferrules?
ANSWER:
Understanding and controlling end-face geometry characteristics of PC ferrules is fairly simple and intuitive. A...
QUESTION: Are polymer plastics isotropic?
ANSWER:
Most polymer plastics are inherently isotropic (that is, that is they have no directionality in their optical properties). However, when formed in the injection molding process the polymer is melted,...
