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If your requirements are modest, your best price/performance tradeoff for
large filters is probably Schott filter glass as Martin suggests. For large
filters, interference filters will be very expensive compared to the
absorptive glass types.
Craig
On Jun 21, 2016 9:31 AM, "Martin Wessendorf" <[log in to unmask]> 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.
> *****
>
> Dear Dr. Giese--
>
> Check with Chroma Technologies. They certainly can custom-make almost
> anything you want. For colored glass long-pass filters, check Schott--I
> think they can make glass sheets of arbitrary sizes.
>
> Good luck!
>
> Martin Wessendorf
>
>
>
>
> On 6/21/2016 9:51 AM, Guenter Giese 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.
>> *****
>>
>> Dear list members,
>>
>>
>> is anybody aware of a source / vendor of big diameter filters for
>> illumination wavelength range selection?
>>
>> I think of something like the old-fashioned Wratten gelatine filters, but
>> with a more pronounced wavelength range selection (bandpass preferred).
>> Diameter:5 to 10 cm, or bigger.
>> Filters may be based on glass or gelatine or some other substrate.
>>
>> Thank you in advance,
>>
>> Guenter
>>
>>
> --
> Martin Wessendorf, Ph.D. office: (612) 626-0145
> Assoc Prof, Dept Neuroscience lab: (612) 624-2991
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