[Homer-users] Re: bent fiber optic
maria angela franceschini
mari at nmr.mgh.harvard.edu
Tue Jul 24 10:43:10 EDT 2007
we get them at fiberoptix technology
Tim Beeman is the contact person
tbeeman at fiberoptix.com
they have various design depending on the application and the instrument
used
mari
______________________________
Maria Angela Franceschini,
Assistant Professor,
Harvard Medical School,
Massachusetts General Hospital
Athinoula A. Martinos Center for Biomedical Imaging
13th Street, Building 149
Charlestown, MA 02129
office: (617) 726-4024
fax: (617) 726-7422
e-mail: mari at nmr.mgh.harvard.edu
----- Original Message -----
From: <mrcheung at mdanderson.org>
To: <homer-users at nmr.mgh.harvard.edu>
Sent: Tuesday, July 24, 2007 10:39 AM
Subject: [Homer-users] Re: bent fiber optic
>
> Hi,
> Where could I get optical fibers that could be bent 90 degrees?
> Thanks, Rex
>
>
>
>
>
> homer-users-request at nmr.mgh.ha
> rvard.edu To:
> Sent by:
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>
> 07/24/2007 05:14 AM
> Please respond to homer-users
> Subject:
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> Today's Topics:
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> 1. Optical Fibres suggestions (Christopher Soraghan)
> 2. Re: Optical Fibres suggestions (pietro scatturin)
> 3. RE: Optical Fibres suggestions (Xiaofeng "Steve" Zhang)
> 4. Re: Optical Fibres suggestions (Dennis Hueber)
> 5. fiber NA (Bryan McLaughlin)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 18 Jun 2007 10:08:18 +0100
> From: Christopher Soraghan <christopher.j.soraghan at nuim.ie>
> Subject: [Homer-users] Optical Fibres suggestions
> To: "Homer-users at nmr. mgh. harvard. edu"
> <Homer-users at nmr.mgh.harvard.edu>
> Message-ID:
> <ADECLNODFALCEMJJDDODOEDDCFAA.christopher.j.soraghan at nuim.ie>
> Content-Type: text/plain; charset=iso-8859-1
>
> Hi All,
>
> I have a relevant NIRS query but not directly related to HomER.
>
> Can anybody suggest to me the optical fibres used for NIRS including
> company
> name and contact details and any other information you have on them
> (price/specifications)? Any information would be greatly appreciated.
>
>
>
> Many thanks,
> Chris
>
> *********
>
>
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Mon, 18 Jun 2007 12:43:40 +0200
> From: pietro scatturin <p.scatturin at unipd.it>
> Subject: Re: [Homer-users] Optical Fibres suggestions
> To: christopher.j.soraghan at nuim.ie, homer-users at nmr.mgh.harvard.edu
> Message-ID: <6.2.3.4.1.20070618123908.041a97e8 at pop.unipd.it>
> Content-Type: text/plain; charset="us-ascii"; format=flowed
>
> Example :
> http://www.specialtyphotonics.com/pdf/products/088_089.pdf ;
> depends from bending ( 90 deg ) prefered 200 or 400 micron core
> bye pietro
>
>
> At 11:08 AM 6/18/2007, you wrote:
>>Hi All,
>>
>>I have a relevant NIRS query but not directly related to HomER.
>>
>>Can anybody suggest to me the optical fibres used for NIRS including
> company
>>name and contact details and any other information you have on them
>>(price/specifications)? Any information would be greatly appreciated.
>>
>>
>>
>>Many thanks,
>>Chris
>>
>>*********
>>
>>
>>
>>
>>_______________________________________________
>>Homer-users mailing list
>>Homer-users at nmr.mgh.harvard.edu
>>https://mail.nmr.mgh.harvard.edu/mailman/listinfo/homer-users
>
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 18 Jun 2007 09:39:58 -0400
> From: "Xiaofeng \"Steve\" Zhang" <xxz at engr.psu.edu>
> Subject: RE: [Homer-users] Optical Fibres suggestions
> To: <christopher.j.soraghan at nuim.ie>,
> <homer-users at nmr.mgh.harvard.edu>
> Message-ID: <001301c7b1ae$29daa7d0$343e7680 at engr.psu.edu>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi Chris,
>
> Depending on specific applications, people use 65- to 400-micron fibers.
> I'd
> say 400-micron multimode fiber is probably the best to start off with for
> "regular" NIRS. You also need to make sure that the spectrum width of the
> fiber covers your wavelength, i.e. "NIR fiber". Here is a paper that
> details
> what we've been using:
>
> X.Zhang,Y.Toronov,and A.Webb, Integrated measurement system for
> simultaneous
> functional magnetic resonance imaging and diffuse optical tomography in
> human brain mapping, Rev. Sci. Instrum., vol. 77, 114301 (2006)
>
> Hope it helps,
> Steve
>
> -----Original Message-----
> From: homer-users-bounces at nmr.mgh.harvard.edu
> [mailto:homer-users-bounces at nmr.mgh.harvard.edu] On Behalf Of Christopher
> Soraghan
> Sent: Monday, June 18, 2007 5:08 AM
> To: Homer-users at nmr. mgh. harvard. edu
> Subject: [Homer-users] Optical Fibres suggestions
>
> Hi All,
>
> I have a relevant NIRS query but not directly related to HomER.
>
> Can anybody suggest to me the optical fibres used for NIRS including
> company
> name and contact details and any other information you have on them
> (price/specifications)? Any information would be greatly appreciated.
>
>
>
> Many thanks,
> Chris
>
> *********
>
>
>
>
> _______________________________________________
> Homer-users mailing list
> Homer-users at nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/homer-users
>
>
>
> ------------------------------
>
> Message: 4
> Date: Mon, 23 Jul 2007 10:07:30 -0500
> From: Dennis Hueber <dmhueber at iss.com>
> Subject: Re: [Homer-users] Optical Fibres suggestions
> To: homer-users at nmr.mgh.harvard.edu
> Cc: christopher.j.soraghan at nuim.ie
> Message-ID: <46A4C432.9090608 at iss.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
>
>
> Just a note concerning the ISS instruments and fibers. 200 to 400 micron
> core is best for the sources, because the coupling of the lasers into
> the fiber may be a problem. Also, very small bundles have been used. The
> efficiency is not as good but is consistence. If you are building your
> own instrument and you want to use much smaller and flexible single
> fibers. You could get the lasers coupled by Oz-Optics and use 50 or 62.5
> mircon fiber, which as just about as flexible as single-mode. We have
> done this with prototypes.
>
> About NIRS retransmission. Just about any optical-fiber will work in
> short lengths (a few feet). If you want long fibers pay attention the
> spectrum supplied by the manufacturer. Some transmit NIR better than
> others.
>
>
> Dennis Hueber
> ISS Inc.
>
>
>
> pietro scatturin wrote:
>> Example :
>> http://www.specialtyphotonics.com/pdf/products/088_089.pdf ; depends
>> from bending ( 90 deg ) prefered 200 or 400 micron core
>> bye pietro
>>
>>
>> At 11:08 AM 6/18/2007, you wrote:
>>> Hi All,
>>>
>>> I have a relevant NIRS query but not directly related to HomER.
>>>
>>> Can anybody suggest to me the optical fibres used for NIRS including
>>> company
>>> name and contact details and any other information you have on them
>>> (price/specifications)? Any information would be greatly appreciated.
>>>
>>>
>>>
>>> Many thanks,
>>> Chris
>>>
>>> *********
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Homer-users mailing list
>>> Homer-users at nmr.mgh.harvard.edu
>>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/homer-users
>>
>> _______________________________________________
>> Homer-users mailing list
>> Homer-users at nmr.mgh.harvard.edu
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>
>
> ------------------------------
>
> Message: 5
> Date: Tue, 24 Jul 2007 11:09:35 +0100
> From: "Bryan McLaughlin" <bm304 at cam.ac.uk>
> Subject: [Homer-users] fiber NA
> To: <homer-users at nmr.mgh.harvard.edu>
> Message-ID: <000001c7cdda$bce2e720$44aea981 at donkey>
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