Don’ T Miss out Grating Substrates Custom - Tailored for Optics OEM, Limited Supply
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Product Details
| Customization: | Available |
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| Application: | Laboratory Apparatus |
| Warranty: | 1 Year |
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Basic Info.
- Detection Method
- Spectrophotometer
- Advantage
- High Sensitive
- Principle
- New Spectrometer
- Dispersive Element
- Grating Spectrometer
- Certification
- RoHS, ISO9001
- Customized
- Customized
- Detection Distance
- 2m
- Detection Height
- 1.03m
- Resolution
- 40mm
- Optical Axis Spacing
- 30mm
- Transport Package
- Foam Carton Inner, Then Cartons to Pack Them
- Specification
- Customized
- Trademark
- FS
- Origin
- Tianjin
- Production Capacity
- 2000 Pieces/Month
Packaging & Delivery
- Package Size
- 20.00cm * 20.00cm * 20.00cm
- Package Gross Weight
- 1.000kg
Product Description

Product Description
As a fundamental material in grating fabrication, the substrate plays a critical role in determining the final quality and performance of the grating. A variety of materials are commonly used for grating substrates, including glass and polymers. Glass substrates are favored for their high hardness, excellent optical uniformity, and chemical stability. They provide a flat and stable surface that enables precise patterning during the etching or manufacturing process. In high-precision optical instruments such as spectrometers, gratings on glass substrates can accurately disperse light of different wavelengths, enabling detailed analysis of the spectral characteristics of materials.
Fushi Optics can provide customers with a variety of replicated grating products such as diffraction gratings, transmission gratings and holographic gratings to meet different needs.
Specification
PRODUCT NAME | Grating Substrates |
GROOVES | 600~4500LINES/MM |
BLAZE WAVELENGTH | 150-1000NM |
DIMENSIONAL TOLERANCE | 0.5MM |
MATERIAL | BK7 |
COATING | ALUMINUM |
TYPE | OTHER DIFFRACTION GRATINGS |

Optical Applications
Polymer substrates, on the other hand, stand out due to their flexibility and ease of processing. Compared to glass, polymers can be rapidly shaped using techniques like injection molding or nanoimprinting, significantly reducing production costs and time. This makes them ideal for consumer-grade optical products—for instance, in the grating structures used in 3D glasses. Moreover, the optical properties of polymers, such as refractive index, can be fine-tuned through molecular design, allowing customization for diverse applications.
Surface quality of the grating substrate is another key factor influencing performance. A smooth, defect-free surface minimizes light scattering and absorption, thereby enhancing diffraction efficiency. To achieve such high-quality surfaces, precision manufacturing techniques and stringent quality control are essential. For example, in the grinding and polishing of glass substrates, high-accuracy equipment and superior abrasives are employed to ensure surface roughness reaches the nanometer scale.
In practical applications, selecting the right substrate involves balancing multiple considerations. Beyond material properties and surface quality, factors such as cost, size, and weight must be taken into account. For large-scale applications like astronomical telescopes, where both size and precision are critical, high-performance glass substrates—despite their higher cost—are often preferred. Conversely, for compact, portable optical devices, polymer substrates offer a more economical and lightweight solution.
Company Profile

Tianjin Fushi Optics Co., Ltd.
Tianjin Fushi Optics Co., Ltd. is a comprehensive optoelectronic enterprise integrating R&D, production, sales, and after-sales service. Since its establishment in 2012, the company has been dedicated to technological innovation and industrial application in the field of optical components, with its manufacturing base located in China's core optical industry zone. The product portfolio covers a full range of optical basic components, including lenses, prisms, mirrors, optical windows, and filters, with particular technical expertise in the design and manufacturing of diffraction gratings.
In 2017, Fushi Optics established a professional optical laboratory in Dongli District, Tianjin, committed to integrating optical theoretical research with engineering practice. After years of technical accumulation, the laboratory has gained wide academic recognition for its research achievements in spectral analysis, precision optical processing, and other fields, forming an integrated "industry-academia-research-application" technological innovation system. It continues to provide high-performance optical solutions for the optoelectronic industry.




FAQ
Q: How can I get samples from you?
Just send us your requirements, and we will send samples accordingly.
Q: How long is your delivery time? ·
Regarding inventory, it is 3 working days;
For customized one, it's about 15-25 working days, depending on exact quantity and order date.
Q: Can I customize the products based on my requirements?
Yes, we can customize the material, specifications and optical coating for your optical components as per your requirements.
Q: Are you a factory?
Yes, we are a professional manufacturer of optical components. We have more than 20 years of experience in optical cold working.
Q: How do you control the quality?
More than four times of quality inspection during the production process; we can provide the Quality Test Report.
Packing & Delivery

We attach great importance to every detail in production and communication. Should you have any questions, suggestions, or comments, please do not hesitate to share them with us. Your feedback is invaluable in our pursuit to become a worthy, trusted, and reliable supplier. Thank you for your visit.
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