Visual Assessment of the Luminosity of Daylight Fluorescent Pigments and Its Relationship with Colorimetric Quantities

R. Thielert; G. Schliemann

doi:10.1364/JOSA.62.000137

Journal of the Optical Society of America
Vol. 62,
Issue 1,
pp. 137-139
(1972)
•https://doi.org/10.1364/JOSA.62.000137

Visual Assessment of the Luminosity of Daylight Fluorescent Pigments and Its Relationship with Colorimetric Quantities

R. Thielert and G. Schliemann

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R. Thielert and G. Schliemann, "Visual Assessment of the Luminosity of Daylight Fluorescent Pigments and Its Relationship with Colorimetric Quantities," J. Opt. Soc. Am. 62, 137-139 (1972)

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Abstract

A visual assessment of the luminosity of 22 different samples of daylight fluorescent pigments has been carried out by the method of paired comparisons. From these investigations, it can be concluded that a linear relationship exists between the sensation of luminosity and the calorimetric quantity Λ = Y_fl/Y+aY+bp_e, which has previously been suggested for characterizing the luminosity of daylight fluorescent pigments. Y is the luminous reflectance of the color, p_e is its excitation purity, Y_fl is the luminous reflectance of the fluorescent light of the sample, and a and b are constants.

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Set No. 1		Set No. 2		Set No. 3

Sample	d Arbitrary units	Sample	d Arbitrary units	Sample	d Arbitrary units
R 1	0.836	G 1	0.823	R 1	0.706
R 2	0.718	G 2	0.636	R 2	0.622
R 3	0.577	G 3	0.566	R 4	0.359
R 4	0.427	G 4	0.448	R 8	0.841
R 5	0.277	G 5	0.355	G 1	0.531
R 6	0.150	G 6	0.275	G 2	0.306
R 7	0.048	G 7	0.105	G 4	0.128
R 8	0.936	G 8	0.939	G 8	0.556
R 10	0,602	G 10	0.586
R 11	0.586	G 11	0.461
R 12	0.341	G 12	0.316

$\bar{K}$ = 0.97		$\bar{K}$ = 0.89		$\bar{K}$ = 0.87

Sample	X	Y	Z	λ_d(nm)	p_e	Y_fl	Y₀
R 1	68.77	42.35	17.75	615	0.595	18.14	40.60
R 2	61.14	36.49	11.27	610	0.696	14.20	37.27
R 3	54.90	32.40	8.68	609	0.732	10.48	36.11
R 4	49.78	29.25	7.42	609	0.743	7.27	35.41
R 5	46.58	26.89	6.09	609	0.773	6.03	33.87
R 6	44.31	25.53	5.67	609	0.778	4.75	33.63
R 7	35.87	20.59	4.75	610	0.767	⋯	33.43
R 8	64.26	36.02	8.58	612	0.770	18.43	31.89
R 10	52.36	29.22	4.92	609	0.835	11.52	30.82
R 11	50.28	28.15	4.84	609	0.833	10.06	31.15
R 12	44.22	24.89	4.54	609	0.820	6.53	31.58
G 1	78.93	101.49	25.60	566	0.643	20.77	95.84
G 2	75.80	95.56	20.45	568	0.692	14.62	96.54
G 3	74.14	92.22	18.50	568	0.711	11.43	97.00
G 4	72.23	88.75	16.95	569	0.725	8.11	97.43
G 5	71.24	86.89	15.88	569	0.733	6.26	97.44
G 6	70.12	84.84	14.91	570	0.746	4.26	96.86
G 7	66.95	79.11	11.47	571	0.795	⋯	94.71
G 8	77.28	100.31	16.15	567	0.754	23.64	94.81
G 10	73.67	91.07	11.85	569	0.803	10.65	96.27
G 11	72.66	89.15	11.42	570	0.812	8.85	96.54
G 12	71.33	85.82	10.74	570	0.818	5.60	95.66

	Set No. 1	Set No. 2	Set No. 3
r(dΛ)	0.94	0.99	0.96
r(dΛ′)	0.98	0.98	0.72

Set No. 1		Set No. 2		Set No. 3

Sample	d Arbitrary units	Sample	d Arbitrary units	Sample	d Arbitrary units
R 1	0.836	G 1	0.823	R 1	0.706
R 2	0.718	G 2	0.636	R 2	0.622
R 3	0.577	G 3	0.566	R 4	0.359
R 4	0.427	G 4	0.448	R 8	0.841
R 5	0.277	G 5	0.355	G 1	0.531
R 6	0.150	G 6	0.275	G 2	0.306
R 7	0.048	G 7	0.105	G 4	0.128
R 8	0.936	G 8	0.939	G 8	0.556
R 10	0,602	G 10	0.586
R 11	0.586	G 11	0.461
R 12	0.341	G 12	0.316

$\bar{K}$ = 0.97		$\bar{K}$ = 0.89		$\bar{K}$ = 0.87

Sample	X	Y	Z	λ_d(nm)	p_e	Y_fl	Y₀
R 1	68.77	42.35	17.75	615	0.595	18.14	40.60
R 2	61.14	36.49	11.27	610	0.696	14.20	37.27
R 3	54.90	32.40	8.68	609	0.732	10.48	36.11
R 4	49.78	29.25	7.42	609	0.743	7.27	35.41
R 5	46.58	26.89	6.09	609	0.773	6.03	33.87
R 6	44.31	25.53	5.67	609	0.778	4.75	33.63
R 7	35.87	20.59	4.75	610	0.767	⋯	33.43
R 8	64.26	36.02	8.58	612	0.770	18.43	31.89
R 10	52.36	29.22	4.92	609	0.835	11.52	30.82
R 11	50.28	28.15	4.84	609	0.833	10.06	31.15
R 12	44.22	24.89	4.54	609	0.820	6.53	31.58
G 1	78.93	101.49	25.60	566	0.643	20.77	95.84
G 2	75.80	95.56	20.45	568	0.692	14.62	96.54
G 3	74.14	92.22	18.50	568	0.711	11.43	97.00
G 4	72.23	88.75	16.95	569	0.725	8.11	97.43
G 5	71.24	86.89	15.88	569	0.733	6.26	97.44
G 6	70.12	84.84	14.91	570	0.746	4.26	96.86
G 7	66.95	79.11	11.47	571	0.795	⋯	94.71
G 8	77.28	100.31	16.15	567	0.754	23.64	94.81
G 10	73.67	91.07	11.85	569	0.803	10.65	96.27
G 11	72.66	89.15	11.42	570	0.812	8.85	96.54
G 12	71.33	85.82	10.74	570	0.818	5.60	95.66

Abstract

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Tables (3)

Equations (6)

Journal of the Optical Society of America