METICULAB
METICULAB NIR Transmission Grating 300 l/mm for 780-2500nm Spectroscopy
METICULAB NIR Transmission Grating 300 l/mm for 780-2500nm Spectroscopy
METICULAB NIR Transmission Grating – 300 l/mm for 780-2500nm
The METICULAB™ NIR Transmission Grating is a high-efficiency optical component designed for near-infrared spectroscopy and monochromator systems. With 300 lines per millimeter groove density and optimized blaze angles (24.8° / 31.6°), this transmission grating delivers reliable diffraction performance across the 780–2500nm spectral range. The anti-reflection coating maximizes transmission efficiency, making it ideal for low-light-level detection, portable spectrometers, and instrument OEM integration.

Technical Specifications
| Brand | METICULAB |
| Product Type | NIR Transmission Grating |
| Groove Density | 300 lines per mm |
| Blaze Angles | 24.8° / 31.6° (see size table below) |
| Spectral Range | 780 – 2500 nm (Near-Infrared) |
| Coating | Anti-Reflection (AR) Coating |
| Substrate Material | JGS1 Fused Silica / K9 Optical Glass |
| Diffraction Efficiency | 45% – 65% @ blaze wavelength |
| Quality System | ISO 9001 Certified |
📋 Available Sizes & Specifications
| Model | Size (mm) | Blaze Angle | Groove (l/mm) | Spectral Range (nm) | Coating |
|---|---|---|---|---|---|
| NIR-300-24.8-12.7 | 12.7×12.7 | 24.8° | 300 | 780-2500 | AR |
| NIR-300-24.8-25 | 25×25 | 24.8° | 300 | 780-2500 | AR |
| NIR-300-24.8-50 | 50×50 | 24.8° | 300 | 780-2500 | AR |
| NIR-300-31.6-12.7 | 12.7×12.7 | 31.6° | 300 | 780-2500 | AR |
| NIR-300-31.6-25 | 25×25 | 31.6° | 300 | 780-2500 | AR |
| NIR-300-31.6-50 | 50×50 | 31.6° | 300 | 780-2500 | AR |
Note: Custom sizes, groove densities, and substrates available upon request.
⚡ Key Advantages

- Optimized NIR Performance: Designed specifically for 780–2500nm near-infrared spectral range with two blaze angle options (24.8° / 31.6°).
- High Transmission Efficiency: Anti-reflection coating minimizes surface reflection losses, delivering 45%–65% diffraction efficiency.
- Multiple Size Options: Available in 12.7×12.7mm, 25×25mm, and 50×50mm to fit various instrument form factors.
- Premium Substrates: JGS1 fused silica and K9 optical glass offer excellent thermal stability and low auto-fluorescence.
- Flexible Customization: Custom groove densities, dimensions, substrates, and coatings available for OEM applications.
Applications

NIR Spectrophotometer · Portable Spectrometers · Food & Agriculture Quality Analysis · Pharmaceutical Inspection · Environmental Monitoring · Medical Diagnostic Instruments · OEM Spectroscopy Systems

METICULAB™ — Precision Optical Components
📧 choikyuc@gmail.com | 📞 +82-10-3988-4813 | 🌐 www.meticulab.net
METICULAB™ is a precision optical component brand. All gratings are produced in controlled cleanroom environment and monitored by ISO 9001 certified quality management systems. Specifications are typical values — final performance data will be provided with shipment.
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