CAJ | 학술논문

光子晶体光纤陀螺原理上具有磁敏感性低、温度稳定性好及抗辐照等特点，是光纤陀螺一个新的重要发展方向。很多学者研究了其零偏特性，但未见对其标度因数的研究报道。研究了光子晶体光纤陀螺标度因数的误差构成，并试验测量了光子晶体光纤环引入的误差。研究结果表明，光子晶体光纤陀螺标度因数具有更稳定的温度和辐照特性，在-40~+70℃的温度范围内，标度因数重复性为242.3×10-6(未补偿时)，约为普通光纤陀螺的1/2。在经历总剂量为50 krad(Si)的辐照后，光纤陀螺标度因数变化109×10-6，重复性和非线性没有明显变化，比普通光纤陀螺稳定1倍以上。
광자정체광섬타라원리상구유자민감성저、온도은정성호급항복조등특점，시광섬타라일개신적중요발전방향。흔다학자연구료기령편특성，단미견대기표도인수적연구보도。연구료광자정체광섬타라표도인수적오차구성，병시험측량료광자정체광섬배인입적오차。연구결과표명，광자정체광섬타라표도인수구유경은정적온도화복조특성，재-40~+70℃적온도범위내，표도인수중복성위242.3×10-6(미보상시)，약위보통광섬타라적1/2。재경력총제량위50 krad(Si)적복조후，광섬타라표도인수변화109×10-6，중복성화비선성몰유명현변화，비보통광섬타라은정1배이상。
Photonic crystal fiber-optic gyroscope(PCFOG) has become an important developing direction of FOG due to its low magnetic sensitivity, good temperature stability, and anti-radiation capability in principle. Researchers have studied a lot on the bias characteristics of PCFOG, however, no work has been done on its scale factor performance. In this paper, the factors that lead to scale factor error of PCFOG were analyzed and the error induced by photonic crystal fiber coil was experimentally tested. The results show that PCFOG has better temperature and radiation stabilities than ordinary FOG. Within a temperature range of -40~+70 ℃, the scale factor repeatability of the PCFOG is 242.3 ×10-6 without compensation which is almost half of the conventional FOG; After a total dose of 50 krad (Si) radiation, the scale factor shifts 109 ×10-6 and no notable changes are observed with the repeatability and nonlinearity. Therefore, the PCFOG shows one time better stability than conventional FOG.