Etendue shouldn't be too much of a concern because we are emitting onto a relatively large space. We hadn't considered using a BEF but will certainly look into it.
Someone else mentioned using a holographic printed film for the same purpose of a BEF. Have you every used something like this?
Etendue shouldn't be too much of a concern because we are emitting onto a relatively large space. We hadn't considered using a BEF but will certainly look into it.
Someone else mentioned using a holographic printed film for the same purpose of a BEF. Have you every used something like this?