Re: coloured Glass filters 45MM diamter

Posted by Craig Brideau on
URL: http://confocal-microscopy-list.275.s1.nabble.com/coloured-Glass-filters-45MM-diamter-tp4778154p4779222.html

Omega and Chroma can make custom filters for a few hundred dollars.
Usually they just adapt a standard coating they already have, and you
just tell them what size and shape you need the filter to be.

Craig


On Mon, Mar 22, 2010 at 8:46 AM, Martin Wessendorf <[hidden email]> wrote:

> Dear Deepak--
>
> Deepak nair wrote:
>
>> I am looking for colour glass filters 650nm 20nm-bandpass filter and a
>> near-IR RG9 glass filter for Nikon eclipse microscope which I can use in the
>> transmission light path. The size of the filters are approximately 45mm in
>> diameter. Mostly I find only colour glass filters which are 25.4 mm in
>> diameter or square shaped filters. It would be really helpful if anyone can
>> suggest a possible source of colour glass filters of 45mm diameter.
>
> I would start by checking with Nikon but if they can't help, for
> colored-glass filters, try Schott:
> http://www.schott.com/advanced_optics/english/our_products/filters/index.html
>
> However, a 20 nm bandpass filter doesn't sound like a colored-glass
> filter--it will probably need to be an interference filter.  Those can be
> obtained from companies like Omega Optical, Chromatechnology, and Semrock.
>
> Good luck!
>
> Martin Wessendorf
> (No commercial connection.)
> --
> Martin Wessendorf, Ph.D.                   office: [phone]
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>