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FluoroMax-3 v. 3.1 (7 Mar 2006)
Components & Accessories
12-10
Model 1938 Cut-On Filter
The Model 1938
Cut-On Filter Set
consists of five 1" ×
2" filters. To
position the filter
properly, the Model
FL-1010 Filter
Holder is required.
Cut-on filters are used to eliminate 2
nd
-order effects of the gratings. For example, if
sample excitation is at 300 nm, a 2
nd
-order peak occurs at 600 nm. If the emission spec-
trum extends from 400 nm to 650 nm, a sharp spike occurs at 600 nm. This peak is the
2
nd
-order peak of the excitation spectrometer. To remove this unwanted peak in the
emission spectrum, place a 350 nm filter in the emission slot. Cut-on filters typically
are used for phosphorescence measurements, where 2
nd
-order effects are common.
The sample compartment has slots to hold the Model FL-1010 filter holder in the emis-
sion and excitation light-path positions. To eliminate 2
nd
-order effects from an excita-
tion spectrum, install the filter holder and the appropriate cut-on filter in the excitation
light path.
Model 1939 Cut-On Filter
The Model 1939 Cut-On Filter set consists of five 2" × 2" filters with cut-on wave-
lengths of 350 nm, 399 nm, 450 nm, 500 nm, and 550 nm. To position the filter prop-
erly, the FL-1010 Filter Holder is required.
Cut-on filters are used to eliminate 2
nd
-order effects of the gratings. For example, if
sample excitation is at 300 nm, a 2
nd
-order peak occurs at 600 nm. If the emission spec-
trum extends from 400 nm to 650 nm, a sharp spike occurs at 600 nm. This peak is the
2
nd
-order peak of the excitation spectrometer. To remove this unwanted peak in the
emission spectrum, place a 350 nm filter in the emission slot. Cut-on filters typically
are used for phosphorescence measurements, where 2
nd
-order effects are common.
The sample compartment has slots to hold the Model FL-1010 filter holder in the emis-
sion and excitation light-path positions. To eliminate second-order effects from an exci-
tation spectrum, install the filter holder and the appropriate cut-on filter in the excita-
tion light path.
Summary of Contents for FluoroMax-3
Page 5: ...FluoroMax 3 v 3 1 3 Mar 2006 v 15 Declaration of Conformity 15 1 16 Index 16 1...
Page 6: ...FluoroMax 3 v 3 1 3 Mar 2006 vi...
Page 18: ...FluoroMax 3 v 3 1 3 Mar 2006 Introduction 0 12...
Page 36: ...FluoroMax 3 v 3 22 Feb 2005 System Description 2 8...
Page 96: ...FluoroMax 3 v 3 1 3 Mar 2006 Maintenance 6 12...
Page 156: ...FluoroMax 3 v 3 1 6 Mar 2006 Automated Polarizers 10 22...
Page 208: ...FluoroMax 3 v 3 1 6 Mar 2006 Bibliography 14 4...
Page 210: ...FluoroMax 3 v 3 1 6 Mar 2006 Declaration of Conformity 15 2...