spectrometer
Experiment content:
1, the use of light reflection principle measurement prism Angle experiment;
2, using the principle of light refraction to measure the minimum deviation Angle of the prism, calculate the refractive index and dispersion of the prism glass experiment;
3, for light diffraction experiment; 4. Wavelength measurement experiment.
Two, the main technical parameters:
1, instrument Angle measurement accuracy 1 ';
2, optical parameters: parallel light tube, telescope system objective: focal length of 168mm, aperture of φ22mm, test field 3°22 ', telescope system eyepiece focal length 24.3mm;
3, the maximum distance between parallel light tubes and telescope objectives: 120mm;
4, slit width adjustment range: 0-2㎜;
5, eyepiece viewability adjustment range: ≥±5 diopter;
6, stage: diameter φ70mm, rotation Angle 360°, lifting range 20mm;
7, dial specifications: range 0-360°, grid value 0.5°, vernier reading value 1 ';
8, lighting using long-life high-brightness green light-emitting diode;
9. Features:
※①, both sides of the parallel optical tube are equipped with fixed adjustable supports to prevent the mirror tube from breaking;
※②, the optical system adopts gear, rack adjustment mode, smooth transmission, easy to use;
10, equilateral prism: appearance size 40×40×30㎜, accuracy: 60°±1 ', both sides polished;
11, transformer power supply 3V;
12, hand-held magnifying glass: effective area ø50mm, magnification 10 times;
13, the grating 300L/mm, size: 60×42×1.5㎜;
* 14, stability grating base ø52*42*10*12mm to prevent grating plate damage;
15, parallel plate with a diameter of 30㎜, half back and half transparent, with seat;
16, overall size: 518*251*250mm.