HOLMARC’s Spectra Quasar Series Monochromators Model : HOSP-SQR500FA, HO-SP-SQR300FA & HO-SP-SQR200FA are fully automated, triple grating instruments with dual output port while Models HO-SPSQR500F, HO-SP-SQR300F & HO-SP-SQR200F are single grating instruments with single output port. All the four models are designed for fast, automated and continuous scanning over broad spectral range. The angular position of the grating is adjusted by the use of sine drive mechanism so that only the required wavelength of light is passed through the output slit.
Spectra Quasar series monochromators are ideal choice for either single or multichannel detector to be used in many applications that require medium to high spectroscopic resolution with excellent stray light performance such as fluorescence, Raman, absorption and transmission. Spectra series monochromators are fully automated with microprocessor controls and can be interfaced with the device by using RS 232C serial port.
Input and output ports of the monochromator are fitted with precise, micrometer controlled variable slits. The software developed for the instrument has facilities for setting up and calibration as well. System accepts input data as wavelength or wave number. Various configurations of input and output ports are available with precision and long life time.
Precision stepper motor controlled rotation stage is used for driving the grating. Fine resolution for the grating stage is achieved by microstepping feature of the stepper motor drives. Wavelength selection is made much easier in automated system compared to manually adjusted versions.
Spectra Quasar 500FA Monochromator Model : HO-SP-SQR500FA | ||
Price | : | $ 12,967.00 |
Spectra Quasar 500F Fully Automated Monochromator | ||
Optical Design | : | Czerny-Turner |
Input Port | : | Dual |
Output Port | : | Dual (One for Monochromatic Light and other for single / multi channel spectral application) |
Port Selection Mechanism | : | Integrated Motorized Flip Mirror based Mechanism |
Main Mirrors | : | Parabolic type with Enhanced Aluminum Coating |
Focal Length | : | 500 mm |
Diameter | : | 68 mm or 120 mm |
Aperture Ratio | : | f / 5 (with 100 x 100mm grating) or f / 7.3 (with 68 x 68mm grating) |
Dispersion Element | : | Holographic Grating |
Grating Size | : | 100 x 100 mm (Ruled Grating) Custom grating can be provided on request |
Grating Density | : | 600 l / mm and 1200 l / mm |
Wavelength Range | : | 200 - 2000 nm |
Diffraction Efficiency | : | 65 % (@ 532 nm) |
Dispersion | : | 1.426 nm / mm |
Mechanical Wavelength Range | : | 200 - 1600 nm (@ 1200 l/mm) |
Accuracy | : | 0.1 nm |
Grating Mounting Design | : | Triple Grating Turret Based (Can hold up to 3 Gratings) |
Mount Design | : | Kinematic Top Adjustable Mounts |
Grating Rotation | : | Front Surface Axis |
Output Port Size | : | 30 mm |
Focal Imaging Plane | : | 30 x 12 mm |
Focal Plane Extension from the port | : | 42 mm |
Scanning Speed | : | 160 nm / second |
Input and Output Slit Design | : | Integrated Motorized Slit or Manual Slit |
Slit Width Range | : | 0 - 3 mm |
Least count | : | 1 Micron |
Shutter | : | Integrated Motorized Active Shutter |
Filter unit | : | Higher order cut off filter wheel |
Calibration | : | Auto calibration for all motorized function |
(Manual Calibration can be activated for wavelength calibration) | ||
Software | : | Windows based software to control all spectrometer functions and detector readings (with Labview interface support) |
Spectra Quasar 300FA Monochromator Model : HO-SP-SQR300FA | ||
Price | : | $ 7,967.00 |
Spectra Quasar 300F Fully Automated Monochromator | ||
Optical Design | : | Czerny-Turner |
Input Port | : | Single |
Output Port | : | Dual (One for Monochromatic Light and other for single / multi channel spectral application) |
Port Selection Mechanism | : | Manual Flip Mirror based Mechanism |
Main Mirrors | : | Parabolic type with Enhanced Aluminum Coating |
Focal Length | : | 300 mm |
Collimating Mirror Size | : | 50 x 50 mm |
Focusing Mirror Size | : | 75 x 50 mm |
Aperture Ratio | : | f / 6 (with 50 x 50 mm grating) |
Dispersion Element | : | Holographic Grating |
Grating Size | : | 50 x 50 mm |
Grating Density | : | 600 l / mm and 1200 l / mm |
Wavelength Range | : | 200 - 2000 nm |
Diffraction Efficiency | : | 65 % (@ 532 nm) |
Dispersion | : | 2.29 nm / mm (52.13 cm - 1/mm) |
Mechanical Wavelength Range | : | 200 - 2000 nm (@ 1200 l/mm and 600 l/mm) |
Accuracy | : | 0.1 nm |
Grating Mounting Design | : | Dual Grating Turret Based |
Mount Design | : | Kinematic |
Grating Rotation | : | Front Surface Axis |
Focal Imaging Plane | : | 30 x 12 mm |
Focal Plane Extension from the port | : | 20 mm |
Scanning Speed | : | 160 nm / second |
Input and Output Slit Design | : | Integrated Motorized Slit or Manual Slit |
Slit Width Range | : | 0 - 3 mm |
Least count | : | 1 Micron |
Shutter | : | Integrated Motorized Active Shutter |
Filter unit | : | Higher order cut off filter wheel |
Calibration | : | Auto calibration for all motorized function |
(Manual Calibration can be activated for wavelength calibration) | ||
Software | : | Windows based software to control all spectrometer functions and detector readings (with Labview interface support) |
Spectra Quasar 200FA Monochromator Model : HO-SP-SQR200FA | ||
Price | : | $ - |
Spectra Quasar 200F Fully Automated Monochromator | ||
Optical Design | : | Czerny-Turner |
Input Port | : | Single |
Output Port | : | Dual (One for Monochromatic Light and other for single / multi channel spectral application) |
Main Mirrors | : | Off Axis Parabolic Flat field Corrected Optics |
Coating | : | Enhanced Aluminium Coating |
Focal Length | : | 200 mm |
Aperture Ratio | : | f / 4 |
Dispersion Element | : | Holographic Grating & Ruled Grating |
Grating Size | : | 50 x 50mm (Custom grating can be provided on request) |
Grating Density | : | 600 l / mm and 1200 l / mm |
Wavelength Range | : | 200 - 2000 nm |
Diffraction Efficiency @ 532 nm | : | 65 % |
Dispersion | : | 2.026 nm / mm |
Accuracy | : | 0.1 nm |
Grating Mounting Design | : | Dual Grating Type |
Grating Rotation | : | Front Surface Axis |
Output Port Size | : | 30 mm |
Focal Imaging Plane | : | 30 x 12 mm |
Focal Plane Extension from the port | : | 42 mm |
Scanning Speed | : | 160 nm / second |
Input and Output Slit Design | : | Integrated Motorized Slit |
Slit Width Range | : | 0 - 3 mm stepper motor controlled |
Least count | : | 1 Micron |
Shutter | : | Integrated motorized Active Shutter |
Filter unit | : | Higher order cut off filter wheel |
Calibration | : | Auto calibration for all motorized function |
(Manual Calibration can be activated for wavelength calibration) | ||
Software | : | Windows based software to control all spectrometer functions and detector readings (with Labview interface support) |
Spectra Quasar 500F Monochromator Model : HO-SP-SQR500F | ||
Price | : | $ 4,800.00 |
Optical Design | : | Czerny-Turner |
Input Port | : | Single |
Output Port | : | Dual (One for Monochromatic Light and other for single / multi channel spectral application) |
Main Mirrors | : | Parabolic type with Enhanced Aluminum Coating |
Focal Length | : | 500 mm |
Aperture Ratio | : | f / 10 (with 50 x 50mm grating) |
Dispersion Element | : | Holographic Grating |
Grating Density | : | 1200 l / mm |
Wavelength Range | : | 200 - 1100 nm |
Diffraction Efficiency | : | 65 % (@ 532 nm) |
Dispersion | : | 1.426 nm / mm |
Mechanical Wavelength Range | : | 200 - 1600 nm (@ 1200 l/mm) |
Accuracy | : | 0.1 nm |
Grating Mounting Design | : | Single Grating |
Grating Rotation | : | Front Surface Axis |
Grating Holding Sizes | : | 50 x 50 mm, 68 x 68 mm (Grating adaptor will be provided) |
Grating Removal Port | : | Yes |
Output Port Size | : | 30 mm |
Focal Imaging Plane | : | 30 x 12 mm |
Focal Plane Extension from the port | : | 42 mm |
Slit Width Range | : | 0 - 3 mm (Manual) |
Least count | : | 1 Micron |
Filter unit | : | Higher order cut off filter wheel |
Software | : | Windows based software to control all spectrometer functions and detector readings (with Labview interface support) |
Spectra Quasar 300F Monochromator Model : HO-SP-SQR300F | ||
Price | : | $ 3,134.00 |
Optical Design | : | Czerny-Turner |
Input Port | : | Single |
Output Port | : | Dual (One for Monochromatic Light and other for single / multi channel spectral application) |
Main Mirrors | : | Parabolic type with Enhanced Aluminum Coating |
Focal Length | : | 300 mm |
Collimating Mirror Size | : | 50 x 50 mm |
Focusing Mirror Size | : | 75 x 50 mm |
Aperture Ratio | : | f / 6 (with 50 x 50 mm grating) |
Dispersion Element | : | Holographic Grating |
Grating Size | : | 50 x 50 mm |
Grating Density | : | 1200 l / mm |
Wavelength Range | : | 200 - 1100 nm |
Diffraction Efficiency | : | 65 % (@ 532 nm) |
Dispersion | : | 2.29 nm / mm (52.13 cm - 1/mm) |
Mechanical Wavelength Range | : | 200 - 1600 nm (@ 1200 l/mm) |
Accuracy | : | 0.1 nm |
Grating Mounting Design | : | Single Grating |
Grating Rotation | : | Front Surface Axis |
Grating Removal Port | : | Yes |
Output Port Size | : | 30 mm |
Focal Imaging Plane | : | 20 x 12 mm |
Focal Plane Extension from the port | : | 50 mm |
Slit Width Range | : | 0 - 3 mm (Manual) |
Least count | : | 1 Micron |
Filter unit | : | Higher order cut off filter wheel |
Software | : | Windows based software to control all spectrometer functions and detector readings (with Labview interface support) |
Spectra Quasar 200F Monochromator Model : HO-SP-SQR200F | ||
Price | : | $ - |
Optical Design | : | Czerny-Turner |
Input Port | : | Single |
Output Port | : | Single (designed for Monochromatic Light and multi channel spectral application) |
Main Mirrors | : | Off Axis Parabolic Flat field Corrected Optics |
Coating | : | Enhanced Aluminium Coating |
Focal Length | : | 200 mm |
Aperture Ratio | : | f / 4 |
Dispersion Element | : | Holographic Grating & Ruled Grating |
Grating Size | : | 50 x 50mm (Custom grating can be provided on request) |
Grating Density | : | 1200 l / mm |
Wavelength Range | : | 200 - 1100 nm |
Diffraction Efficiency @ 532 nm | : | 65 % |
Dispersion | : | 2.026 nm / mm |
Accuracy | : | 0.1 nm |
Grating Mounting Design | : | Single |
Grating Rotation | : | Front Surface Axis |
Output Port Size | : | 30 mm |
Focal Imaging Plane | : | 30 x 12 mm |
Focal Plane Extension from the port | : | 42 mm |
Scanning Speed | : | 160 nm / second |
Input and Output Slit Design | : | Manual Slit |
Slit Width Range | : | 0 - 3 mm |
Least count | : | 1 Micron |
Shutter | : | Integrated motorized Active Shutter |
Filter unit | : | Higher order cut off filter wheel |
Calibration | : | Auto calibration for all motorized function |
(Manual Calibration can be activated for wavelength calibration) | ||
Software | : | Windows based software to control all spectrometer functions and detector readings (with Labview interface support) |
Can be used as stitched or continuous scanning spectrometer |
Micrometer adjustable slits to precisely control incoming light |
User specified gratings to meet specific applications |
Stepper motor scanning for precision wavelength positioning |
Internal shutter or filter wheel (Optional) |
Motorized slit (Optional) |
Custom configurations |
HOLMARC offers a number of light sources to cover the spectral range of 200 - 2000nm which can be mounted directly to our monochromators or can be used independently. With the appropriate adapters, some of the sources can be mounted to our monochromators along with an optical chopper or filter wheel. Additional adapters and interface kits are available for focusing and launching the light directly into optical fibers.
Holmarc manufactures custom detector mounts and stages for your application. Please contact us with your custom requirements at
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