Differential interference contrast (DIC) microscope
The working principle of a DIC differential interference contrast microscope is to use the coherent light interference phenomenon to convert changes in sample surface topography into optical path differences. A position-sensitive detector is used to detect changes in the intensity of the light wavefront, and digital signal processing is used to obtain changes in the height of the sample surface.
Specification Snapshot
Focal Length [10X]
20 mm
Operating Wavelength [10X]
380-700nm
Weight [10X]
244 g
Focal Length [7X]
28.6 mm
Operating Wavelength [7X]
400~700 nm
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Overview
The working principle of a DIC differential interference contrast microscope is to use the coherent light interference phenomenon to convert changes in sample surface topography into optical path differences. A position-sensitive detector is used to detect changes in the intensity of the light wavefront, and digital signal processing is used to obtain changes in the height of the sample surface.
Specifications
| Parameter | Value |
|---|---|
| Magnification (X) [10X] | 10X |
| Working distance (WD) [10X] | 32 mm |
| Resolution [10X] | 1.2 μm |
| Parfocal distance [10X/7X] | 95 mm |
| Field of view MAX [10X] | 4 mm |
| Thread [10X] | M26X0.706 |
| Numerical aperture (NA) [10X] | 0.28 |
| Focal Length [10X] | 20 mm |
| Depth of focus ±D.F [10X] | 4.3 μm |
| Entrance pupil diameter [10X] | 11.7 mm |
| Operating Wavelength [10X] | 380-700nm |
| Weight [10X] | 244 g |
| Magnification (X) [7X] | 7X |
| Working distance (WD) [7X] | 37 mm |
| Resolution [7X] | 1.6 μm |
| Line pairs [7X] | 625 lp/mm |
| Objective lens interface [7X] | M26*0.706 |
| Numerical Aperture (NA) [7X] | 0.22 |
| Focal Length [7X] | 28.6 mm |
| Cover Glass Thickness [7X] | None |
| Transmittance [7X] | 87 % |
| Operating Wavelength [7X] | 400~700 nm |
Applications
It is widely used in biological microscopy, semiconductor chip surface inspection, preparation and modification of nanomaterials, surface quality inspection of precision parts, PCB defect inspection, precision mold inspection, etc. It is one of the important tools in modern scientific research.
Key Features
High-resolution, high-precision, non-contact and non-destructive measurement method. The resolution can reach the sub-nanometer level, enabling observation of finer surface structures and topography changes. At the same time, since this technology requires no contact with the sample, it eliminates damage and contamination to the sample, making it very suitable for observation and research of biological and medical samples. This microscope adopts a compact and stable high-rigidity body, meeting the anti-vibration requirements of microscopic operations; the modular functional design concept facilitates system upgrades, and the guide-pillar lifting device allows quick adjustment of the distance between the worktable and the objective lens, suitable for inspection of workpieces of different thicknesses. Equipped with a mechanical movable stage, it effectively positions workpieces, suitable for microscopic observation or rapid inspection of multiple specimens. Ideal ergonomic design, more convenient and comfortable operation, and more spacious working area.
Datasheet
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Supplier Information
Nanjing Wavelength Opto-Electronic Technology Co., Ltd. was established in 2008. It is a high-tech enterprise integrating optical design, production, and sales, with multiple subsidiaries and offices.
From the beginning, the company aimed to provide high-quality laser optics, infrared optics, intelligent optics, precision optics products, and comprehensive services, serving the optoelectronics field.
Over more than a decade, with the pioneering and collaborative efforts of all employees, the company has continued to expand. In addition to meeting the needs of the Chinese market, the export proportion has also increased, with products exported to Europe, America, and Southeast Asia, earning the trust of customers with high-quality products and solutions.
The company headquarters is located in the Hushu Industrial Concentration Zone, Jiangning, Nanjing. The garden-style factory area includes standardized workshops and complete living facilities. To enable employees to work with peace of mind and live happily, the company has set up a lighted basketball court, a fitness center, an electronic reading room, and has equipped each employee dormitory with internet and air conditioning. We deeply understand that a high-quality, experienced technical, management, and marketing team is the cornerstone of rapid development. The company warmly welcomes people with various talents to join us and work together to strive to rank among the world's outstanding optoelectronic enterprises.
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