Holographic Concave Diffraction Grating

What is a Holographic Concave Diffraction Grating?

 

A holographic concave diffraction grating is an optical component that combines the functions of both dispersion and focusing in a single element.

Unlike traditional gratings, a concave grating has a curved surface, which eliminates the need for additional focusing optics.

These concave gratings are produced holographically, optimizing the focal plane and minimizing aberrations over the wavelength range of the grating.

Manufactured with holographic techniques, these gratings feature smoother grooves.

Therefore, it can effectively reduce stray light, making them essential in compact and high-performance optical systems.

 

Advantages of the Holographic Concave Diffraction Grating

 

• Integrated Focusing Ability– The concave grating has better focusing ability and can reduce aberrations within the wavelength range of the grating.
• High Spectral Resolution– The design of concave gratings can effectively reduce stray lignt.
• Compact Optical Systems– The self-advantages of concave gratings are obvious. No additional mirrors are required.
• Wide Wavelength Coverage– It is suitable for UV, visible, and infrared applications.
• Customizable Designs– Available in different groove densities, blaze wavelengths, and coatings.

 

Applications:

 

The following is the applications of the holographic concave diffraction grating:

• Spectroscopy– Monochromators and spectrographs.
• Laser Systems – People can use it in beam shaping and wavelength control.
• Astronomy – High-resolution spectral analysis of starlight.
• Plasma Diagnostics
• Analytical Chemistry – High-precision spectrometers.

 

Holographic concave diffraction gratings are vital in modern optical systems.

Also, with their superior optical performance and versatility, they are widely adopted in spectroscopy, astronomy, laser applications, and advanced research fields.

Chenyu’s concave grating is highly suitable for use in spectral systems.

If you have any needs, please feel free to contact us at any time or check out our other grating products. We offer customization services.

 

 

Item	Groove Density (lines/mm)	LAm (mm)	LHm (mm)	Angle (°)	Dimension (mm)
CYC001	1200	100	94	61.6	32×32
CYC002	1200	100	94	61.6	32×32
CYC003	600	100	94	61.6	32×32
CYC004	1200	200	195	61.6	40×45
CYC005	1200	200	188	61.6	45×45
CYC006	300	200	188	61.6	45×45