Re: 回复：Light-emitting Diode (LED) versus incandescent light

Posted by Berg, R. Howard on Nov 13, 2014; 3:09pm
URL: http://imagej.273.s1.nabble.com/Light-emitting-Diode-LED-versus-incandescent-light-tp5010398p5010409.html

We have an LED for brightfield imaging on our dissecting scope and it has the advantage over traditional bulbs for maintaining stable spectra over different intensities.  The previous halogen color shifted depending on intensity.


R. Howard Berg, Ph.D.
Director, Integrated Microscopy Facility
Danforth Plant Science Center
975 N. Warson Rd.
St. Louis, MO 63132

ph 314-587-1261    fx 314-587-1361    
[hidden email]    www.danforthcenter.org









On Nov 13, 2014, at 12:06 AM, 浪舟 <[hidden email]>
 wrote:

> LED is a  good selection as it has lots of advantages, such as wide spectral, long use time and easy to integrate different shape.
>
>
>    As to microscope deviec, I think the key is lens, maybe you should choose special lens to avoid week light transmission.
>
>
> -------------------------------------------------------------------------------------------------------------
> 陈丰农，博士，杭州电子科技大学   生命信息与仪器工程学院10教420
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>
> Fengnong  Chen, Ph.D., Assistant Professor
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> ------------------ 原始邮件 ------------------
> 发件人: "Gilbert Bigras";<[hidden email]>;
> 发送时间: 2014年11月13日(星期四) 凌晨5:34
> 收件人: "IMAGEJ"<[hidden email]>;
>
> 主题: Light-emitting Diode (LED) versus incandescent light
>
>
>
> Hi all,
> Does anyone know if LED source of light is a concern for microscope image acquisition?
> Some new microscopes are now delivered with LED.
> Spectrums of both sources of light are quite different.
> Comments?
>
> Thanks
> Gilbert Bigras, M.D., Ph.D., FRCPC (Path)
>
> Medical Lead Edmonton Zone Immunohistochemistry Laboratory
> Associate Clinical Professor
> Department of Laboratory Medicine & Pathology
> University of Alberta, Canada
>
> Cross Cancer Institute
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