product photography - Fluorescent/neon clothing

I am in charge of taking pictures of all of our products for our website.

The new collections (clothing) are going to have a lot of fluorescent/neon colors.

I have a small studio with a Sony alpha a550 camera: I am already shooting in raw and for photo processing I have Photoshop Elements 9.

How can I get a realistic representation of these colors?

What are the best techniques to capture in camera, and then to process with PSE9, this kind of products?

Here is an example: the stripes should be fluorescent/neon, but they don't look like that on the picture.