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Home > Product Details > Maya2000 Pro Custom Configured Gratings and Wavelength Range

Maya2000 Pro Custom Configured Gratings and Wavelength Range

Gratings from Ocean Optics are permanently fixed in place at the time of manufacture to ensure long-term performance and stability. Choose from among multiple gratings for your custom configured spectrometer. When selecting your grating, consider groove density (resolution), spectral range (wavelength range) and blaze wavelength (determines the most efficient range). We offer ruled and holographic diffraction gratings. Holographic gratings produce less stray light while ruled gratings are more reflective, resulting in higher sensitivity.

Tip: Use our interactive Range & Resolution Calculator to determine your spectrometer’s anticipated optical resolution over a specific wavelength range.

Grating Number

Intended
Use

Groove Density

Spectral
Range

Blaze
Wavelength

Best Efficiency
(>30%)

HC-1 (when used with Maya2000 Pro)

UV-NIR

300/600 (variable)

850 nm

variable

200-1050 nm

H1

UV

600

373-390 nm

300 nm

200-575 nm

H2

UV-VIS

600

365-390 nm

400 nm

250-800 nm

H3

VIS-Color

600

360-386 nm

500 nm

350-850 nm

H4

NIR

600

360-377 nm

750 nm

530-1100 nm

H5

UV-VIS

1200

180-193 nm

Holographic UV

200-400 nm

H6

NIR

1200

 123-170 nm

750 nm

500-1100 nm

H7

UV-VIS

2400

63-90 nm

Holographic UV

200-500 nm

H9

VIS-NIR

1200

145-180 nm

Holographic VIS

400-800 nm

H10

UV-VIS

1800

 83-123 nm

Holographic UV

200-635 nm

H11

UV-VIS

1800

66-120 nm

Holographic VIS

320-800 nm

H12

UV-VIS

2400

52-88 nm

Holographic VIS

250-575 nm

H13

UV-NIR

300

750-800 nm

500 nm

300-1100 nm

H14

NIR

600

360-370 nm

1000 nm

650-1100 nm

H33

Absorbance

300

200 nm

200-450 nm

H35

NIR Raman

1200

1000 nm

525-1625 nm

H36

VIS Raman

900

500 nm

325-1225 nm

H5U

Absorbance

1200

250 nm

225-450 nm

H7U

Absorbance

2400

240 nm

200-800 nm

H10U

Absorbance

1800

250 nm

210-475 nm

Groove Density:

The Groove Density (mm-1) of a grating determines its dispersion, while the angle of the groove determines the most efficient region of the spectrum. The greater the groove density, the better the optical resolution possible, but the more truncated the spectral range.

Spectral Range:

The dispersion of the grating across the linear array; also expressed as the “size” of the spectra on the array. The spectral range (bandwidth) is a function of the groove density and does not change. When you choose a starting wavelength for a spectrometer, you add its spectral range to the starting wavelength to determine the wavelength range. For several gratings, the Spectral Range of a grating varies according to the starting wavelength range. The rule of thumb is: the higher the starting wavelength, the more truncated the spectral range.

Blaze Wavelength:

For ruled gratings, the Blaze Wavelength is the peak wavelength in an efficiency curve. For holographic gratings, it is the most efficient wavelength region.

Best Efficiency (>30%):

All ruled or holographically etched gratings optimize first-order spectra at certain wavelength regions; the “best” or “most efficient” region is the range where efficiency is >30%. In some cases, gratings have a greater spectral range than is efficiently diffracted.

Additional Information:

View Maya2000 Pro Custom Configured Product