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Laminated glass has a plastic layer that will hold the shards together if it is broken, as well as making the glass stronger. There is no issue with transmission.
Alternatively I'd look at toughened glass - if broken it shatters into crumbs that are fairly harmless, it's the same as used for modern car door windows.
Plain domestic glass is not recommended because if this breaks there will be razor-sharp daggers flying everywhere, highly dangerous and a hazard in the environment to everything from animals to people.
I suspect the real challenge to overcome may be heat from the bulb causing localised expansion that will break the glass - many modern car headlights use a fused quartz lens for this reason.
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