Photodetector and jig for sample holder
AssigneeHamamatsu Photonics K.K.
InventorsKazuya Iguchi, Kengo Suzuki
Life of this patent
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Abstract
A photodetecting device 1 includes an integrating sphere 20 for observing light to be measured generated according to irradiation of a sample with excitation light and a sample holder 60 removably attached to the integrating sphere 20, the integrating sphere 20 has an excitation light introducing hole 201 for introducing the excitation light and a sample introducing hole 205 for introducing a cell C held by the sample holder 60, the sample holder 60 is locked to the sample introducing hole 205 and holds the cell C for accommodating the sample, and the cell is disposed so that an entrance surface of the cell C, through which the excitation light enters the cell C, inclines relative to the surface perpendicular to the optical axis L of the excitation light.
Claims13
A photodetecting device comprising:
- an integrating element having a spherical inner wall and configured to observe light to be measured generated according to irradiation of a sample with excitation light;
- and a sample holder to be removably attached to the integrating element, wherein
- the integrating element has an excitation light introducing hole for introducing excitation light and a sample introducing hole for introducing a cell held by the sample holder,
- the cell has a prismatic part, and a branch tube connected to the prismatic part, and
- the sample holder is locked to the sample introducing hole, and has a holding part which holds the branch tube of the cell for accommodating the sample and positioning means for disposing the cell with the branch tube has an axis so that an entrance surface of the cell, through which the excitation light enters the cell, and an exit surface of the cell parallel to the entrance surface incline relative to a surface perpendicular to the optical axis of the excitation light.
A photodetecting device comprising:
- an integrating sphere for observing light to be measured generated according to irradiation of a sample with excitation light;
- and a sample holder to be removably attached to the integrating sphere, wherein
- the integrating sphere has an excitation light introducing hole for introducing excitation light;
- a first sample introducing hole for introducing a first sample holder;
- a second sample introducing hole for introducing a second sample holder;
- and a photodetector introducing hole,
- the first sample holder has a holding part which holds a cell for accommodating a sample;
- and a first locking part for locking the first sample holder to the integrating sphere,
- the second sample holder has a sample stage onto which a sample is placed;
- and a second locking part for locking the second sample holder to the integrating sphere,
- the first sample introducing hole is formed at a position on a first meridian having poles set at a position at which the excitation light introducing hole is formed and a position at which the second sample introducing hole is formed, and at distances substantially equal to each other from the poles of the first meridian,
- the photodetector introducing hole is formed at a position on a second meridian having poles set at the position at which the excitation light introducing hole is formed and the position at which the second sample introducing hole is formed, and at distances substantially equal to each other from the poles of the second meridian, and
- the second meridian is perpendicular to the first meridian at the position at which the excitation light introducing hole is formed.
Dependencies are inferred from the claim text.