http://confocal-microscopy-list.275.s1.nabble.com/tiny-filters-tp7586646p7586647.html
Depending on the wavelength you need, old DVD or blueray drives might be a solution.
> On 15 Mar 2017, at 15:21, Martin Köhler <
[hidden email]> wrote:
>
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> Dear confocalist,
>
> I am looking for a suitable source of tiny bandpass filters. Small diameter and small thickness. Diameter down to 1 mm or maybe even less, and thickness below 1 mm. Probably these items have to be custom made. But there are many manufacturers for optical filters on the market, and therefore I wanted to hear if you can give any recommendations to me about suitable companies for this.
>
> Thank you,
> Martin
>
> ------------------------------------------------------------
> Martin Köhler, PhD
> The Rolf Luft Research Center for Diabetes and Endocrinology
> Karolinska Institutet
> Karolinska University Hospital Solna L1
> SE-171 76 Stockholm, Sweden
>
> E-mail:
[hidden email]
> Phone: +46 8 51775732
> Cell: +46 73 8002737
> ------------------------------------------------------------
>