[Solid_ec] [EXTERNAL] Re: SoLID ECal meeting 8:00am EDT Wednesday October 6th

[Zhiwen Zhao]

Dear All

instead of connector or mechanic splicing, I wonder if some suppliers 
can do one to one fiber Fusion splicing with relative low cost
https://tecratools.com/pages/tecalert/splicing_guide.html

Zhiwen

On 10/20/2021 11:07 AM, Reimer, Paul E. wrote:
> Dear Cunfeng,
> 
> 
> Okay.  I wasn't sure if it would help or not, but wanted it to be 
> considered by you.
> 
> 
> Thanks,
> 
> 
> Paul
> 
> -- 
> If you receive this e-mail after hours, during a weekend, or on a holiday,
> please enjoy your time off and respond during your working hours.
> 
> Paul E Reimer               +1-630-252-4037 (Office)
> Bldg 203, Physics Division  +1-630-252-3903 (fax)
> Argonne National Laboratory +1-630-344-9207 (mobile)
> 9700 S Cass Avereimer at anl.gov
> Lemont, IL  60439 USA.      he/his/him
> 
> On 10/20/21 09:47, Cunfeng Feng wrote:
>> Dear Paul,
>>
>> Thanks for your suggestion and plot. As I understand, the bundle 
>> connecting loss more light than one by one due to the gap of the clear 
>> fiber. The light guide don't improve it, and add reflectiong. So I 
>> guess this light guide don't improve the light lost.
>>
>> Cunfeng
>>
>>
>> 发件人："Reimer, Paul E." <reimer at anl.gov>
>> 发送日期：2021-10-20 22:16:09
>> 收件人："solid_ec at jlab.org" <solid_ec at jlab.org>
>> 主题：[Solid_ec] [EXTERNAL] Re: SoLID ECal meeting 8:00am EDT 
>> Wednesday October 6th
>>
>>     Hello,
>>
>>
>>     During this week's meeting, there was a discussion of connecting
>>     the wave length shifting fibers with clear fibers of a different
>>     diameter.  I think that It was said that a many-to-many system of
>>     just bunching lost about 35% of the light (I probably am not
>>     remembering this number correctly). The one-to-one option, on the
>>     other hand, seems difficult to implement.  Below is an idea for a
>>     many-to-many system that might not loose as much light.  The key
>>     is that it allows the light to spread out and mix between fibers
>>     in a small cylindrical light guide.  Thus, for fibers that don't
>>     happen to align exactly, not all of the light will be lost, as the
>>     cone of light emitted from the fiber will have a chance to expand
>>     a bit.  There is still the ratio of fiber areas that you can't get
>>     around.
>>
>>
>>     Paul
>>
>>
>>     -- 
>>     If you receive this e-mail after hours, during a weekend, or on a holiday,
>>     please enjoy your time off and respond during your working hours.
>>
>>     Paul E Reimer               +1-630-252-4037 (Office)
>>     Bldg 203, Physics Division  +1-630-252-3903 (fax)
>>     Argonne National Laboratory +1-630-344-9207 (mobile)
>>     9700 S Cass Avereimer at anl.gov
>>     Lemont, IL  60439 USA.      he/his/him
>>
>>     On 10/19/21 19:12, Xiaochao Zheng wrote:
>>>     Dear All:
>>>
>>>     Our next ECal meeting will be*8:00**am*(US Eastern Daylight
>>>     Saving time), *Wednesday October 20th. *Here is a tentative agenda:
>>>
>>>     1) Updates from THU (Zhihong)
>>>     2) Updates from SDU (if applicable);
>>>     3) Support structure update (Paul);
>>>     4) JLab beam test discussions;
>>>
>>>     Bluejean link is below.
>>>
>>>     Meeting minutes are at (sorry if it's/still/ a bit outdated)
>>>     https://hallaweb.jlab.org/experiment/PVDIS/SoLID/EC/meetings/SoLID_EC_Weekly_minutes.html
>>>     <https://hallaweb.jlab.org/experiment/PVDIS/SoLID/EC/meetings/SoLID_EC_Weekly_minutes.html>
>>>
>>>     Thanks,
>>>
>>>     Xiaochao
>>>
>>>     Meeting URL
>>>     https://bluejeans.com/670325644?src=join_info
>>>
>>>     Meeting ID
>>>     670 325 644
>>>
>>>     Want to dial in from a phone?
>>>
>>>     Dial one of the following numbers:
>>>     +1.888.240.2560 (US Toll Free)
>>>     (see all numbers - https://www.bluejeans.com/premium-numbers)
>>>
>>>     Enter the meeting ID and passcode followed by #
>>>
>>>     Connecting from a room system?
>>>     Dial: bjn.vc or 199.48.152.152 and enter your meeting ID & passcode
>>>
>>>     _______________________________________________
>>>     Solid_ec mailing list
>>>     Solid_ec at jlab.org
>>>     https://mailman.jlab.org/mailman/listinfo/solid_ec
>>
>>
> 
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