Directional Effect of Shortwave Infrared Spectroscopy Radiation of High-Temperature Target

Angle group	F	F_α(α=0.01)	Angle group	F	F_α (α=0.01)
(0°, 70°)	1555.206	6.90077	(30°, 35°)	4.761	6.90077
0°--70°	390.972	3.09148	(35°, 40°)	4.826	6.90077
(0°, 5°)	9.628	6.90077	(40°, 45°)	9.567	6.90077
(5°, 10°)	9.017	6.90077	(45°, 50°)	18.480	6.90077
(10°, 15°)	11.379	6.90077	(50°, 55°)	11.291	6.90077
(15°, 20°)	11.420	6.90077	(55°, 60°)	0.697	6.90077
(20°, 25°)	4.719	6.90077	(60°, 65°)	35.337	6.90077
(25°, 30°)	9.206	6.90077	(65°, 70°)	29.666	6.90077

Table 2. Results of metal plate variance analysis at 0°--70°

View table

Table 2. Results of metal plate variance analysis at 0°--70°

Angle group	F	F_α (α=0.01)	Angle group	F	F_α (α=0.01)
(0°, 70°)	1760.334	6.90077	(30°, 35°)	0.941	6.90077
0°--70°	535.972	3.09148	(35°, 40°)	3.947	6.90077
(0°, 5°)	312.369	6.90077	(40°, 45°)	5.607	6.90077
(5°, 10°)	3.341	6.90077	(45°, 50°)	26.139	6.90077
(10°, 15°)	0.122	6.90077	(50°, 55°)	34.236	6.90077
(15°, 20°)	0.149	6.90077	(55°, 60°)	54.336	6.90077
(20°, 25°)	0.629	6.90077	(60°, 65°)	75.687	6.90077
(25°, 30°)	0.261	6.90077	(65°, 70°)	153.523	6.90077

Table 3. Radiance effect indexes ${F^{G}}_{70}$ and ${F^{M}}_{70}$ of graphite and metal plate

View table

Table 3. Radiance effect indexes ${F^{G}}_{70}$ and ${F^{M}}_{70}$ of graphite and metal plate

Wavelength /nm	${F^{G}}_{70}$	${F^{M}}_{70}$	Wavelength /nm	${F^{G}}_{70}$	${F^{M}}_{70}$
1300	0.023353	0.059971	1900	0.022980	0.060926
1400	0.023044	0.060332	2000	0.022957	0.060625
1500	0.022667	0.061155	2100	0.022978	0.060003
1600	0.022670	0.061679	2200	0.022742	0.059146
1700	0.022475	0.062024	2300	0.022334	0.058149
1800	0.022189	0.062009	2400	0.022378	0.056742

Table 4. Variance analysis of directional spectral radiance ratio of graphite for different bands

View table

Table 4. Variance analysis of directional spectral radiance ratio of graphite for different bands

Angle /(°)	F(1400 nm,1600 nm)	F(1600 nm,1800 nm)	F(1800 nm,2000 nm)	F(2000 nm,2200 nm)	F(2200 nm,2400 nm)	F(1400 nm,2400 nm)	F(1400--2400 nm)	F_α(1, 98)	F_α(5, 294)
5	0.031	0.017	0.000	0.028	0.032	0.106	0.056	6.901	3.091
10	0.001	0.047	0.110	0.004	0.050	0.026	0.041	6.901	3.091
15	0.015	0.018	0.068	0.000	0.022	0.007	0.034	6.901	3.091
20	0.005	0.005	0.139	0.000	0.001	0.049	0.057	6.901	3.091
25	0.014	0.060	0.145	0.003	0.002	0.012	0.042	6.901	3.091
30	0.068	0.086	0.225	0.011	0.054	0.171	0.092	6.901	3.091
35	0.028	0.122	0.179	0.044	0.116	0.356	0.118	6.901	3.091
40	0.076	0.111	0.229	0.071	0.241	0.678	0.194	6.901	3.091
45	0.044	0.129	0.546	0.099	0.288	0.359	0.185	6.901	3.091
50	0.026	0.189	0.717	0.097	0.292	0.267	0.203	6.901	3.091
55	0.086	0.208	0.806	0.065	0.383	0.426	0.257	6.901	3.091
60	0.095	0.158	0.782	0.050	0.207	0.212	0.213	6.901	3.091
65	0.152	0.260	0.631	0.050	0.409	0.797	0.311	6.901	3.091
70	0.182	0.265	0.571	0.051	0.321	0.823	0.323	6.901	3.091

Table 5. Variance analysis of directional spectral radiance ratio of metal plate for different bands

View table

Table 5. Variance analysis of directional spectral radiance ratio of metal plate for different bands

Angle /(°)	F(1400 nm,1600 nm)	F(1600 nm,1800 nm)	F(1800 nm,2000 nm)	F(2000 nm,2200 nm)	F(2200 nm,2400 nm)	F(1400 nm,2400 nm)	F(1400--2400 nm)	F_α(1,98)	F_α(5,294)
5	0.362	0.842	1.672	4.254	1.974	31.500	10.634	6.901	3.091
10	0.346	0.755	1.441	3.419	2.027	28.024	9.265	6.901	3.091
15	0.263	0.525	0.760	1.898	1.161	17.999	5.632	6.901	3.091
20	0.513	0.732	0.773	1.917	1.099	21.737	6.515	6.901	3.091
25	0.936	1.191	0.905	2.284	1.148	29.125	8.641	6.901	3.091
30	1.136	1.249	0.599	1.611	0.744	24.785	7.215	6.901	3.091
35	1.387	1.403	0.282	1.087	0.299	18.931	5.690	6.901	3.091
40	0.991	0.758	0.030	0.255	0.000	6.345	2.163	6.901	3.091
45	0.704	0.280	0.008	0.018	0.502	0.441	0.667	6.901	3.091
50	0.147	0.001	0.386	1.248	2.655	4.274	2.288	6.901	3.091
55	0.054	0.095	1.031	2.576	4.459	12.224	5.318	6.901	3.091
60	0.002	0.306	1.538	3.138	3.676	19.516	7.499	6.901	3.091
65	0.096	0.733	2.687	5.462	5.795	40.779	14.375	6.901	3.091
70	0.395	1.252	3.900	7.434	7.441	59.999	20.512	6.901	3.091

Table 6. Comparison of fitting accuracy of high temperature target curves for different materials

View table

Table 6. Comparison of fitting accuracy of high temperature target curves for different materials

Wavelength /nm	Graphite							Metal plate
Wavelength /nm	a	b		c	d		R²	a		b	c		d	R²
1300	2.862		-0.0051			-1.865			-0.0079			0.978			0.9915	-0.0001	-0.0003	0.0969	0.997
1400	3.755		-0.0053			-2.757			-0.0073			0.978			0.9915	-0.0001	-0.0003	0.0973	0.997
1500	3.598		-0.0053			-2.600			-0.0074			0.979			0.9912	-0.0002	-0.0003	0.0981	0.997
1600	36.880		-0.1364			-35.900			-0.1396			0.979			0.9908	-0.0002	-0.0002	0.0994	0.997
1700	139.100		-0.1374			-138.100			-0.1383			0.979			0.9902	-0.0003	-0.0002	0.1012	0.996
1800	46.180		-0.1357			-45.190			-0.1382			0.979			0.9895	-0.0003	-0.0002	0.1038	0.996
1900	2.647		-0.1120			-1.663			-0.1662			0.980			0.9884	-0.0003	-0.0001	0.1055	0.995
2000	13.920		-0.1344			-12.940			-0.1431			0.981			0.9873	-0.0004	-0.0001	0.1081	0.994
2100	22.040		-0.1359			-21.050			-0.1413			0.981			0.9858	-0.0004	-0.0001	0.1119	0.992
2200	64.080		-0.1375			-63.090			-0.1394			0.980			0.9842	-0.0004	-0.0001	0.1167	0.989
2300	45.210		-0.1371			-44.230			-0.1397			0.980			0.9826	-0.0004	-0.0001	0.1214	0.986
2400	2.612		-0.1126			-1.627			-0.1686			0.979			0.9817	-0.0004	-0.0001	0.1256	0.953

Tools

Get Citation

Copy Citation Text

Yu Cao, Jun Pan, Lijun Jiang, Yehan Sun, Yutao Bian. Directional Effect of Shortwave Infrared Spectroscopy Radiation of High-Temperature Target[J]. Acta Optica Sinica, 2022, 42(1): 0130001

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Spectroscopy

Received: May. 17, 2021

Accepted: Jul. 15, 2021

Published Online: Dec. 22, 2021

The Author Email: Jiang Lijun (20993059@qq.com)

DOI:10.3788/AOS202242.0130001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Results of graphite variance analysis at 0°--70°

Table 1. Results of graphite variance analysis at 0°--70°

Table 2. Results of metal plate variance analysis at 0°--70°

Table 2. Results of metal plate variance analysis at 0°--70°

Table 3. Radiance effect indexes FG70 and FM70 of graphite and metal plate

Table 3. Radiance effect indexes FG70 and FM70 of graphite and metal plate

Table 4. Variance analysis of directional spectral radiance ratio of graphite for different bands

Table 4. Variance analysis of directional spectral radiance ratio of graphite for different bands

Table 5. Variance analysis of directional spectral radiance ratio of metal plate for different bands

Table 5. Variance analysis of directional spectral radiance ratio of metal plate for different bands

Table 6. Comparison of fitting accuracy of high temperature target curves for different materials

Table 6. Comparison of fitting accuracy of high temperature target curves for different materials

Table 3. Radiance effect indexes ${F^{G}}_{70}$ and ${F^{M}}_{70}$ of graphite and metal plate

Table 3. Radiance effect indexes ${F^{G}}_{70}$ and ${F^{M}}_{70}$ of graphite and metal plate