公开(公告)号：KR102130576B1

公开(公告)日：2020-07-06

申请号：KR1020180159372

申请日：2018-12-11

Applicant: 한국표준과학연구원 ,  주식회사 노비텍

Inventor： 진종한 ,  박정재 ,  이준영 ,  모리히로키

IPC: G01B11/06 ,  G01B9/02 ,  G01J1/04 ,  G01J3/02

公开(公告)号：KR101642473B1

公开(公告)日：2016-07-25

申请号：KR1020150002678

申请日：2015-01-08

Applicant: 한국표준과학연구원

Inventor： 이재용 ,  김재완 ,  박정재 ,  우제흔

IPC: G01N21/17 ,  G01N21/39 ,  G01N21/53 ,  G01J3/42

CPC classification number: G01J3/42 ,  G01N21/17 ,  G01N21/39 ,  G01N21/53

Abstract: 본발명은광주파수/강도변조레이저흡수분광장치및 광주파수/강도변조레이저흡수분광방법을제공한다. 이광주파수/강도변조레이저흡수분광장치는측정대상에프로브빔을제공하고소정의주파수대역에서변조주파수(f)로상기프로브빔의광주파수를변조하고상기변조주파수(f)로상기프로브빔의강도를변조하는레이저광원부; 상기측정대상에서반사, 투과, 또는산란된프로브빔을전기신호로변환하는광감지부; 및상기광감지부의출력신호인레이저흡수신호를처리하여상기변조주파수(f)의 1차고주파성분(M) 및상기변조주파수(f)의 2차고조파성분(M)을추출하고상기변조주파수(f)의 1차고조파성분(M)과상기변조주파수의 2차고조파성분(M)의비(M/M)를이용하여상기측정대상에의한상기프로브빔의흡수도를산출하는처리부를포함한다.

公开(公告)号：KR1020140110178A

公开(公告)日：2014-09-17

申请号：KR1020130023174

申请日：2013-03-05

Applicant: 한국표준과학연구원

Inventor： 진종한 ,  김재완 ,  김종안 ,  강주식 ,  박정재

IPC: G01B9/02 ,  G01N21/45

Abstract: The present invention provides a spectrum domain interface device and a spectrum domain interface device. The spectrum domain interface device comprises: a laser light source oscillating in a constant frequency band at constant longitudinal mode frequency intervals; a fiber-ferrule resonator for making light received from the laser light source penetrate selected longitudinal modes having a free spectral range greater than the longitudinal mode frequency intervals; an interferometer for making interference light having a light path difference caused by different light paths from the light received from the fiber-ferrule resonator; a spectrum analyzer for resolving and analyzing the interference light received from the interferometer according to frequencies; and a signal processing part for extracting the spectrum cycle of an interference signal according to the frequencies using the interference signal of the spectrum analyzer, and the light path difference received from the interferometer using the spectrum cycle.

Abstract translation: 本发明提供一种频域接口装置和频域接口装置。 频域接口装置包括：以恒定的纵向频率间隔在恒定频带振荡的激光光源; 用于使从激光光源接收的光的光纤套圈谐振器穿透具有大于纵向模式频率间隔的自由光谱范围的所选纵向模式; 干涉仪，用于产生具有由从光纤套圈谐振器接收的光的不同光路引起的光路差的干涉光; 频谱分析仪，用于根据频率解析和分析从干涉仪接收的干涉光; 以及信号处理部，用于使用频谱分析仪的干扰信号，根据频率提取干扰信号的频谱周期，以及使用频谱周期从干涉仪接收的光路差。

公开(公告)号：KR1020140101489A

公开(公告)日：2014-08-20

申请号：KR1020130014369

申请日：2013-02-08

Applicant: 한국표준과학연구원

Inventor： 진종한 ,  박정재 ,  김재완 ,  김종안 ,  강주식

IPC: G01B9/02 ,  G01B11/00

Abstract: Provided in the present invention are a spectrum domain interference apparatus and a spectrum domain interference method. The spectrum domain interference apparatus comprises: a laser source which emits light with a fixed longitudinal mode frequency width in a fixed frequency band; a fiber Bragg grating filter which receives the light from the laser source in order to penetrate longitudinal modes selected by a free spectral range (FSR) larger than the longitudinal mode frequency width; an interferometer which receives light from the fiber Bragg grating filter in order to provide interference light with an optical path difference due to different optical paths; a spectrum analyzer which receives the interference light from the interferometer in order to decompose and measure the interference light according to frequencies; and a signal processing unit which extracts a spectral cycle of an interference signal according to frequencies using the interference signal of the spectrum analyzer, and extracts an optical path difference provided by the interferometer using the spectral cycle.

Abstract translation: 本发明提供的是频域干扰装置和频域干扰方法。 频域干扰装置包括：以固定频带中的固定纵模频率发射光的激光源; 光纤布拉格光栅滤波器，其接收来自激光源的光，以穿透由大于纵向模式频率宽度的自由光谱范围（FSR）选择的纵向模式; 干涉仪，其从光纤布拉格光栅滤波器接收光，以便由于不同的光路而提供具有光程差的干涉光; 频谱分析仪，其接收来自干涉仪的干涉光，以便根据频率分解和测量干涉光; 以及信号处理单元，其使用频谱分析仪的干扰信号，根据频率提取干扰信号的频谱周期，并且使用频谱周期提取由干涉仪提供的光程差。