LOSS MECHANISMS IN POLYIMIDE WAVE-GUIDES

被引：52

作者：

KOWALCZYK, TC

KOSC, T

SINGER, KD

CAHILL, PA

SEAGER, CH

MEINHARDT, MB

BEUHLER, AJ

WARGOWSKI, DA

机构：

[1] SANDIA NATL LABS,DIV 1811,ALBUQUERQUE,NM 87185

[2] AMOCO RES CTR,NAPERVILLE,IL 60566

来源：

JOURNAL OF APPLIED PHYSICS | 1994年 / 76卷 / 04期

关键词：

D O I：

10.1063/1.357610

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Waveguide losses in thin film polyimides using waveguide loss spectroscopy and photothermal deflection spectroscopy as a function of cure cycle and structure were studied. Fluorinated sidegroups on the polyimide backbone lead to decreases in birefringence and absorption. The primary waveguide loss mechanism is absorption, not scattering. Waveguide losses as low as 0.4 dB/cm at 800 nm have been measured. Losses as low as 0.3 dB/cm at 1300 nm can be inferred from the photothermal deflection spectroscopy.

引用

页码：2505 / 2508

页数：4

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