Re: Power at Immersion Lenses

Posted by Jim Haley on
URL: http://confocal-microscopy-list.275.s1.nabble.com/Power-at-Immersion-Lenses-tp7589305p7589309.html

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Are you trying to measure relative light output at the various
proximities or absolute light output in terms of units such as Lux?

Thanks And Have a Great Day!

Jim Haley

 

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Jim Haley

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MVIA, Inc.

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On 3/15/2019 11:08 AM, Claire Brown, Dr. wrote:

> *****
> To join, leave or search the confocal microscopy listserv, go to:
> http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
> Post images on http://www.imgur.com and include the link in your posting.
> *****
>
> Hello All,
>
> We are trying to measure the power of a light source through a 63x oil immersion lens. With the short focal distance the power we measure is highly dependent on the position of the sensor relative to the lens.
>
> Can the power be measured this way or do we need to get a sensor that we can put oil on and use oil immersion to really get a proper measure of the power at the sample?
>
>
> Sincerely,
>
> Claire
>