3.5 Faraday isolator 15
0.035” or
0.9mm hex key
λ/2 waveplate
λ/2 waveplate
Figure 3.7: Twotypesofsingle-stageFaradayisolator. Eachcanbesupplied
withλ/2waveplateinsidetheexitend-cap. Thewaveplatecanberotatedto
rotatetheplaneofpolarisationoftheexitbeam,forexampletooptimisecoupling
into polarisation maintaining fibre,or to adjusttheratio of exit beams for lasers
fitted with a polarising beamsplitter instead of mirror M2.
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