EDMUND OPTICS Scientific Gratings Paper 1X1 600/MM 41-028

( Brand: Edmund Optics ), ( Manufacturer Part Number: 41028 ), ( Country Of Origin: United States ), ( Intended Use/discipline: Biological Laboratory, Microbiological Laboratory )

Review EDMUND OPTICS Scientific Reflection Gratings Lot 1x1 600/mm Paper

The **Edmund Optics 41028 Scientific Grating (1" x 1", 600 lines/mm, 41-028, Paper, 1976)** is a meticulously crafted optical component designed for precision spectroscopy, diffraction experiments, and educational applications in scientific research. Manufactured by Edmund Optics, a trusted name in optical instrumentation, this grating is a high-quality, reflective diffraction element constructed from durable, flat paper coated with a fine, evenly spaced array of parallel grooves. The **600 lines per millimeter (600/mm)** specification indicates an exceptionally fine ruling density, allowing for the precise dispersion of light into its constituent wavelengths, making it ideal for analyzing spectral lines in the visible and near-infrared regions. Measuring **1 inch by 1 inch (25.4 mm x 25.4 mm)**, the grating offers a compact yet substantial surface area, ensuring sufficient light interaction for accurate diffraction patterns while remaining versatile for integration into various optical setups, from benchtop spectrometers to classroom demonstrations.

The **1976 model designation** suggests a vintage yet reliable design, reflecting Edmund Optics long-standing commitment to optical excellence. The paper substrate provides a lightweight and cost-effective alternative to more rigid materials like glass or metal, while still maintaining structural integrity for handling and mounting. The grating s grooves are meticulously etched with a **blazed or unblazed profile**, depending on the specific application whether maximizing efficiency in a particular wavelength range or ensuring broad spectral coverage. When illuminated by a collimated light source, such as a laser or white light, the grating disperses the beam into a spectrum of colors, with each wavelength deviating at a distinct angle according to the grating equation, *d(sin i sin d) m *, where *d* is the groove spacing, * i* and * d* are the incident and diffracted angles, *m* is the diffraction order, and * * is the wavelength. This principle makes the 41028 an indispensable tool for studying atomic and molecular spectra, wavelength calibration, and optical filtering in both academic and industrial laboratories.

Beyond its technical specifications, this grating embodies the enduring legacy of optical innovation, offering researchers and educators a reliable, time-tested component for experiments ranging from basic diffraction demonstrations to advanced spectroscopic analysis. Its **paper backing** ensures ease of handling and compatibility with standard mounting techniques, while its **600/mm ruling** strikes a balance between resolution and practicality, making it suitable for applications where moderate spectral resolution is required without the complexity of higher-line-density gratings. Whether used in a university physics lab to teach the principles of diffraction or in a professional research facility for spectral analysis, the Edmund Optics 41028 remains a versatile and enduring asset for anyone seeking to explore the behavior of light with precision and clarity.

### **Pros and Cons of buying a Edmund Optics 41028 (600 Lines/mm, 1x1 Inch) Diffraction Grating (1976 Model)**

1. **High Line Density (600 Lines/mm)** Suitable for precise spectral analysis, wavelength separation, and educational experiments requiring fine spectral resolution. This density is ideal for visible and near-infrared applications.

2. **Durable and Long-Lasting** The grating appears to be a classic, well-engineered optical component, likely constructed from high-quality materials (e.g., aluminum-coated or ruled on glass). The 1976 model suggests it has been tested over time, though condition should be verified.

- Spectroscopy (e.g., prism alternatives for wavelength dispersion).

- Educational demonstrations (e.g., showing diffraction patterns).

- Optical experiments (e.g., interferometry, beam splitting).

- Hobbyist projects (e.g., DIY spectroscopes, light analysis).

4. **Standard Size (1x1 Inch)** Easy to mount in common optical setups, including breadboards, spectroscopes, or custom rigs. Compatible with many Edmund Optics accessories.

5. **Potential Cost Savings** Older models may be cheaper than new equivalents, especially if sourced from a reputable used optics dealer. This could be beneficial for budget-conscious buyers.

6. **Authentic Edmund Optics Quality** Edmund Optics is a well-known brand in optics, and this model likely adheres to their standards for precision and durability.

7. **No Modern Obsolescence** Unlike some electronic components, optical gratings remain functional indefinitely if properly stored and handled.

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- **Surface scratches or pitting** (common in older ruled gratings).

- **Coating degradation** (aluminum or gold coatings can tarnish or wear over decades).

- **Mechanical damage** (e.g., cracks, delamination if mounted improperly).

*Always inspect for defects before purchase.*

2. **Potential for Misalignment** Older gratings may have slight misalignments in ruling, leading to less-than-optimal diffraction efficiency or distorted spectra.

3. **Limited Warranty or Support** Since it s vintage, there s no manufacturer warranty or technical support. Buyers must verify functionality independently.

- Clear images of the grating s condition.

- Confirmation of specifications (e.g., ruling density, coating type).

- Proof of authenticity (some counterfeit or mislabeled gratings exist).

5. **Storage Conditions** If stored improperly (e.g., exposed to moisture, dust, or temperature extremes), the grating could have performance issues like:

- **Corrosion** (if uncoated or poorly sealed).

- **Dust contamination** (affecting diffraction efficiency).

- **Delamination** (if mounted with adhesive that degraded over time).

- Higher diffraction efficiency.

- More precise ruling (reducing aberrations).

- Better coatings (e.g., enhanced aluminum or dielectric layers).

7. **Potential for Overpaying** Vintage optics can be priced higher than their actual value, especially if marketed as "rare" or "collectible." Research current market prices for similar new gratings to gauge fairness.

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### **Recommendation**

The Edmund Optics 41028 (600 lines/mm, 1x1 inch) diffraction grating from 1976 is a **functional, high-quality optical component** for applications requiring spectral dispersion. Its pros such as precision, durability, and versatility make it a strong choice for educational, hobbyist, or low-budget professional use. However, its cons primarily related to age, potential wear, and lack of support require careful consideration. The grating s value depends entirely on its **physical condition** and whether you prioritize cost savings over cutting-edge performance.

- The seller provides **clear, high-resolution images** showing no major scratches, corrosion, or coating issues.

- You verify the **ruling density and size** match your needs (600 lines/mm is correct for this part).

- You re okay with **no warranty** and must inspect it yourself upon arrival.

- Shining a laser or white light through it to check for clean diffraction patterns.

- Comparing its performance to a known-good grating if possible.

- **Avoid the vintage model** and instead purchase a **new or modern equivalent** from Edmund Optics, Thorlabs, or other reputable suppliers. Modern gratings often include:

- Better coatings (e.g., enhanced aluminum or dielectric layers).

- More precise ruling (reducing aberrations).

- Warranties and technical support.

- The grating could be a **unique piece for historical or educational purposes**, but ensure its condition justifies the price.

- **Inspect thoroughly** before purchasing, especially if buying used.

- **Compare prices** to new gratings to ensure you re not overpaying for age.

- **Consider alternatives** (e.g., Thorlabs similar gratings) if performance is critical.

For most practical applications, a **new 600 lines/mm grating** is the safer choice unless you re certain the vintage model meets your needs. If you proceed with the 1976 model, treat it as a **used optical component** and test it rigorously before use.

Details:

Paper: creased from tight factory folding. Type: diffraction grating, plane reflection. The included Edmund instruction sheet covers reflection gratings nos. Condition appears excellent.

Note: the paper was tightly folded and packed inside box from manufacturer, so it has creases/wrinkles as shown. Box label and match to paperwork. The red box label indicates: stock no. Gratings: excellent cosmetic condition see photos.

Each measures approx. Single Edmund Scientific set containing 2 instrument-quality plane reflection diffraction gratings. Includes the original Edmund Scientific information and instructions sheet dated 1976.

Paperwork dated 1976. Box: minor storage wear.

specifications microscopepartzo:

• brand: Edmund Optics
• mpn: 41028
• country of origin: United States
• intended use/discipline: Biological Laboratory, Microbiological Laboratory

returns microscopepartzo:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller
• method: Money back

shipping microscopepartzo:

• carrier: USPS
• cost: $8.88
• type: Fixed
• class: Standard
• service: USPS First Class
• transit: 5-11 Days

seller microscopepartzo:

• # reviews: 170
• city: Tucson, Arizona
• rating: 100.0%

offer microscopepartzo:

• options: Ship-to-home
• availability: In Stock
• started: March 8, 2026
• sold: 1
• quantity: 0

general microscopepartzo:

• condition: Used
• Medical/Lab Equipment Attachments Accessories > Microscope Parts Accessories > Other Microscope Parts Accessories

payments microscopepartzo:

• other
• wallet: Google-pay
• credit card: Mastercard

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