OzA9Zm9S.gif (188.45 KB, 下载次数: 58)
Crystal | c ±0.05
| a ±0.05
| b ±0.05 | θ ±0.2°
| φ ±0.1°
| AR coating |
LiNbO3 | 0.25 | 1.25 | 1.25 | 12° | 22.5° | R0.2% @1550nm |
0.25 | 1.25 | 1.25 | 13° | 22.5° | ||
0.25 | 1.25 | 1.25 | 15° | 22.5° |
光洁度:10/5 平面度: λ/4 @633nm
To dandy002:
It depends on the material of the rotator. In general, 1000G in the center of the magnet is enough if you use Garnet film.
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图2 光隔离器原理图 |
LN晶体双折射率为ne-no=0.08,隔离器中的起偏和检偏器可用LN光楔来制作,这种隔离器的特点是,光隔离度适中(38-50dB),批量性好,材料制作工艺成熟,成本低,易实现工业化生产。
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