5 Things to Know Before Buying Light Guide For Scintillator Array

It is important to sufficiently understand the technology before buying.

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Use the comprehensive resources of RP Photonics. Unfortunately, we do not have a specific article related to scintillator crystals.

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I feel that I sufficiently understand the technical background.

It is essential to fully understand and clearly define your requirements before you buy.

We recommend that you develop a list of clear specifications according to your specific needs, against which you can later check the suitability of found product offers:

To help you, we have already listed some aspects we recommend you consider when buying scintillator crystals. Of course, there may be other aspects that are relevant to your specific case.

This list is for your own preparation, and can later (possibly in modified form) be used for quotation requests to suppliers.

I think that I am sufficiently informed about our requirements.

Otherwise, you will need to talk to your technical colleagues.

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I consider the above list of specifications to be sufficiently complete, clear and accurate.

If you cannot sufficiently clarify your requirements, you may want to get technical consultancy from RP Photonics.

Insert these criteria when creating inquiry mails to suppliers with the buttons "Get quotation".

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If the scintillator is thin (<2mm) and readout across this dimension, then the best choice is BC-400 and BC-404.  The reason being that they contain the highest concentrations of primary and WLS fluors so that the light is emitted at its final wavelength in a short distance.  The applications are thin films and alpha & beta detectors. Only BC-400B is offered as a thin film less than 0.5mm (available thickness: 0.15mm, 0.20, 0.25mm)

For anything thicker than 2mm, BC-408 is probably the best choice, because it combines good light yield, good light transmission, and a short decay time.  If the scintillator is very long, then BC-412 can be considered because of its better transmission length.  The trade-off is at a length of about 2.5 to 3 meters.  The longer emission spectrum of BC-412 means a longer attenuation length and a more uniform response. Uniformity is important for long strips in a colorimeter. For time-of-flight (TOF) counters, BC-408 is still generally preferred because of its faster decay time with almost equivalent transmission. We have made 5-meter TOF counters with BC-408.

BC-416 only need to be considered if buying a large volume of scintillator and trying to keep costs down.  It contains less fluors so its raw material costs are lower.  The light yield is also lower.

Very fast detectors, then BC-404, BC-418, BC-420, or BC-422. The choice here usually comes down to cost and scintillator size.

Contact us to review your specific application parameters and we can review options.

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