Re: How to strip a 9 micrometer singlemode fiber?

A safer method would be to lens the end of the fiber so you can focus the output beam. Another method is to attach a lens to the fiber itself. I have been out of the fiber business for a while so I don't know who is still around that makes this stuff. Etek used to make a LOFI and LIFI device which was a lens attached to a fiber with or without isolation. You could pick the focal length of the lens so you could perform exactly what you are attempting to do. You will need a precision stage since the focal spot is so tight you have to do a lot of fine maneuvering to get the light launched into the waveguide. It is a pain in the *** but I can attest to the fact that it can be done. Perhaps some other readers can suggest vendors who still make these type of devices or make lensed fiber.

P. Danek

Dendrites wrote:
Phil Hobbs wrote:
JK wrote:
On 19 Oct 2006 08:26:21 -0700, "Dendrites" <Maqiulin@xxxxxxxxx> wrote:


Hi Guys,

I have bare singlemode fiber with a core diameter of 9 micrometer and a
cladding of 125 micrometers. I want to strip out or remove the cladding
to get the core exposed. I have tried strippers, but I can only get it
stripped into a diameter much larger than 9 micrometers.

Does anybody know how to complete this strpping job? Thanks a lot!


It is not necessary to strip the single-mode core and not advicable,
since you will get a fiber tip that can vibrate.

It depends on what the OP is trying to do. I'm assuming he's trying to do
something with the fields on the sides of the core--lots of people do those
sorts of measurements.

To the OP: What exactly are you trying to do with this bare fibre core?

Cheers,

Phil Hobbs

Thanks!

I want to couple laser beam to a very small waveguide, the
cross-section of it is 10 micrometers in width and 1.3 micrometer in
hight. I have tried to focus the beam into it by microscope objective,
and I am sure I found the focal length, but still unsuccessful. So,
here is a new strategy that someone has already succeeded

Just by directly contacting the fiber core to the waveguide end under
microscope, that is why I need to get the fiber core exposed.

Any suggestions? Thanks a lot!

Qiulin

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