| 摘要 |
An optical device is provided and includes a beam splitter disposed to direct a first portion of a light beam propagating along a first light path along a second light path transverse to the first light path and to permit a second portion of the light beam to propagate along a third light path oriented in line with the first light path and a beam dump disposed on the third light path and including a surface upon which the second light beam portion is incident, the beam dump surface having ion implantation defects formed thereon to absorb a substantial entirety of the second light beam portion.
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