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250-GHz Gyrotron Beam Measurements
| Component | Insertion Loss |
|---|---|
| 22 mm waveguide, 2.44 mm long | 1% |
| Quartz coupler (6.3% coupling) | 6.8% |
| 10-wire coupler (1.6% coupling) | 2.6% |
| 4 port block w/o beamsplitter | 0.5% |
| Transfer mirrors and 8 mm waveguide | 15 ± 3% |
