A Variable Optical Attenuator Based on Internal Reflection

[in Chinese]; [in Chinese]; [in Chinese]

Acta Optica Sinica, Volume. 23, Issue 7, 870(2003)

[in Chinese]^*, [in Chinese], and [in Chinese]

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[in Chinese]

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A variable optical attenuator (VOA) based on the internal reflection effect is proposed. This simple configuration makes use of an enlongated prism with SiO 2 thin film on both underside of it to realize polarization insensitivity and large range of dynamic attenuation. As a result, a sample VOA was obtained with an attenuation range above 20 dB and polarization dependent loss below 0.5 dB experimentally.

Keywords

internal reflection effect polarization dependent loss sol gel technique variable optical attenuator optical device

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[in Chinese], [in Chinese], [in Chinese]. A Variable Optical Attenuator Based on Internal Reflection[J]. Acta Optica Sinica, 2003, 23(7): 870

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