ADVANCED RESEARCH POLARIZING MICROSCOPE
MAKE DINESH SCIENTIFIC
DESCRIPTION:
A polarizing microscope that uses transmitted light illumination is a type of specialized optical microscope used for examining and studying materials with particular optical characteristics. Here’s a thorough explanation:
COMPONENTS AND FEATURES
LIGHT SOURCE:
A strong light source placed beneath the stage to illuminate the sample from below, usually a halogen or LED lamp (transmitted light).
POLARIZERS:
Polarizer: This device, which is positioned beneath the sample, polarizes light before it enters the sample.
The analyzer is positioned above the sample, typically within the optical path, and is designed to measure variations in the polarization state of the light as it leaves the sample.
STAGE:
A revolving stage that rotates the sample with relation to the direction of polarized light facilitates the analysis of the sample’s anisotropic characteristics.
CONDENSER:
A specialized condenser, often equipped with a polarizer, to focus light onto the sample evenly.
COMPENSATORS AND RETARDATION PLATES:
Optional accessories used to quantify the optical path difference in birefringent materials. Common types include the quarter-wave plate and the full-wave (first-order red) plate.
TECHNICAL DETAILS:
MODEL |
DS-APM-X |
| Microscope Body/Frame | For reflected light (RL) and transmitted light (TL) illumination, use a polarizing microscope. |
| Stand & Nosepiece | This five-position stand has a centered nosepiece that can be adjusted for all objectives and a slot for a nosepiece compensator. |
| FOCUS | |
| Focus Drive | Featuring an adjustable upper focus stop and a 3-gear system (coarse, medium, and fine) with 1- and 4-micron torque |
| Focus Mechanism | Self-adjusting |
| PHOTOTUBE | |
| Beam Splitting | Simultaneous viewing on a screen while wearing eyepieces |
| Trinocular Observation Tube | 30° inclination |
| Interpupillary Distance | 75 millimeters |
| CONDENSER | |
| Condenser Type | Pol Aplanatic condenser (A 0.9) with switchable head |
| Diaphragm | Color-coded for quick and easy adjustment of aperture |
| EYE PIECE | |
| Eye Piece | Wide field 10X/22 mm FOV with locking screw on left eye tube and crosshair grip |
| Eye Piece Compatibility | Suitable for observation with and without eyeglasses |
| ILLUMINATION | |
| Reflected Light Illuminator | Bright, clear, and maintenance-free lighting is produced for all samples by the built-in aperture diaphragm. |
| Illumination Type | For improved surface relief visualization, use DIC or oblique illumination for incident light observation. |
| Light Source | Hi-Power 15 W LED (4500K) with constant color and intensity control |
| Turret and Diaphragm | The four-fold turret of the reflected light illuminator has a color-coded diaphragm assistant (CDA). |
| Quartz Plate | Built-in quartz plate in reflected axis to avoid pseudo-pleochroism |
| Light Splitter | For high-degree polarization, a mirror and plane face glass splitter (2 x 22.5°) with a lens for incident light bright field reflection is needed. |
| OBJECTIVES | |
| Objective Type | Strain-free PLAN Achromatic, laser-engraved POL objective |
| Magnification & NA | 2.5x/0.07, 5x/0.12, 10x/0.25, 20x/0.40, 50x/0.85 |
| Free Working Distance | 2.5x: 11 mm, 5x: 14 mm, 10x: 17 mm, 20x: 1 mm, 50x: 0.30 mm |
| Special Objective | 50x objective oil immersion for coal application |
| Illumination Compatibility | All objectives compatible with transmitted and reflected light illumination |
| STAGE | |
| Rotating Stage | Pol rotating stage with ball bearing, clampable rotation, 177 mm diameter |
| Verniers | 2 verniers with 0.10 precision |
| Stage Accessories | Includes stage bracket and condenser holder |
| Object Guide | Included |
| ANALYZER AND POLARIZER | |
| Analyser | Rotatable 180° with a scale of 50 vernier |
| Transmitted Light Polarizer | Rotatable or swing-out type |
| Reflected Light Polarizer | Plugged into 3 click stops: 0° (east-west), 45° (diagonal), 90° (north-south) |
| CONOSCOPY AND COMPENSATOR | |
| Bertrand Lens | Centerable, for Conoscopic application |
| Whole-Wave Plate | Positioned in the compensator slot |
| Quarter Lambda Plate | Positioned in the compensator slot |
| Computers & OTHER Accessory | |
| Computer System | Latest brand with i7 processor |
| RAM | 16 GB |
| Storage | 1 TB SSD |
| Graphics | 2 GB |
| Monitor | 27’’ Full HD Monitor |
| Operating System | Licensed Windows 10 OS, MS Office |
| UPS | 1 KVA |
| CAMERA & SOFTWARE | |
| Sensor Type | CMOS/CCD Sensor, 6 megapixel |
| Frame Rate | Fast, 15 fps |
| Dynamic Range | 70 dB |
| Bit Depth | 3 x 12-bit = 36-bit RGB |
| Filter | IT Cut-off filter |
| Cooling Method | Passive cooling |
| Full Well Capacity | 12,000 e |
| Exposure Time | 1 ms to 1 s |
| Mount Type | Suitable C-mount for optimal acquisition conditions |
| Connection | USB 3 |
| Software Features | · Basic measurement and calibrated parameters (length: Point to Point)
· Basic image processing tools (crop, resize, sharpening, color, background filter, median, blur) · Visual comparison view |
| Image Builder | Live XY Image Builder: Produces superior visuals that span more than one field of vision |
| Compatibility | For improved synchronization, use a microscope, camera, and software from the same manufacturer. |
| Dust Cover | There is one antistatic dust cover included to keep the microscope safe. |
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