Ignetta’s Volume Phase Holographic Transmission Gratings (VPHTG) deliver high efficiency, low polarization dependence, and uniform performance over broad bandwidths and large clear apertures – all in a robust, field-tested package. We offer best transmission grating for your unique application.
Wavelengths: UV-VIS-IR | Grating Lines: 150-5000 lines/mm
Are you developing a new OEM product? Talk to us about designing a custom grating for your project. We can optimize a Transmission/Reflection grating to your exact needs. As an experienced holographic optical element, Manufacturer, we offer quality, performance, and consistency you can count on. Our transmission gratings deliver industry-leading performance for Spectroscopy, Optical Communication, Laser Pulse Compression, Astronomy, Hyperspectral Imaging, Optical Coherence Tomography (OCT), Solar Concentrating and other applications.
Volume Phase Holographic Transmission Grating for OCT and Raman Spectroscopy
Specifications
| Spatial Frequency | 600 l/mm +/- 0.5 l/mm |
| Wavelength Range | 450 to 750 nm |
| Center Wavelength | 600 nm |
| Angle of Incidence | 10.4° |
| Dimensions | 50.8 mm Dia +0/- 0.15 mm |
| Thickness | 6 mm +0.25/- 0.25 mm |
| Clear Aperture | 45 mm Dia +1/- 0 mm |
| Polarization | Average |
| Surface Quality | 60/40 |
| Substrate | N-BK7 or equivalent |
| AR Coating | Yes |
| Grating Lines | Indicated by Mark on Edge |
| Wavefront | λ/4 RMS at 633 nm over clear aperture |
OCT Spectrum of Volume Phase Holographic Transmission Grating
Specifications
| Spatial Frequency | 1800 l/mm +/- 0.5 l/mm |
| Wavelength Range | 450 to 650 nm |
| Center Wavelength | 532 nm |
| Angle of Incidence | 28.6° |
| Dimensions | 50.8 mm dia +0/- 0.15 mm |
| Thickness | 6 mm +0.25/-0.25 mm |
| Clear Aperture | 45 mm Dia +1/- 0 mm |
| Polarization | Average |
| Surface Quality | 60/40 |
| Substrate | N-BK7 or equivalent |
| AR Coating | Yes |
| Grating Lines | Indicated by Mark on Edge |
| Wavefront | λ/4 RMS at 633 nm over CA |
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