Starna Rare Earth/Neutral Density Combination Filters

 

.  Purposely developed by Starna to provide a true certifiable way of routinely checking the wavelength and absorbance accuracy of a spectro(photo)meter with a single reference

 

 

Holmium/Neutral Density Combination Filter

.  7 peak wavelengths are certified at nominal values of 361, 419, 446, 454, 460, 537 and 638 nm

.  The absorbance values, nominally 1 A, are certified at suitable interference-free wavelengths between the holmium peaks, at 431, 516, 557, 594 and 623 nm

.  1 nm bandwidth 

 

 

 

Didymium/Neutral Density Combination Filter

.  9 peak wavelengths are certified at nominal values of 473, 514, 530, 572, 586, 739, 748, 807 and 879 nm

.  The absorbance values, nominally 1 A, are certified at suitable interference-free wavelengths between the didymium peaks, at 410, 455, 550, 637 and 773 nm

.  1 nm bandwidth

 

 

 

기본구성

 

	CATALOGUE NUMBER
Holmium/Neutral Density combination filter	RM-HG/1ND
Didymium/Neutral Density combination filter	RM-DG/1ND
Set of Holmium & Didymium /Neutral Density combination filters	RM-HGDG/1ND

 

 

 

 

 

 

 

 

 

 

 

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