ㆍ Scanning monochromator with superb imaging
ㆍ Covering UV to NIR range
ㆍ High throughput and low stray light
ㆍ Fast, reliable and reproducible
ㆍ 4-phase stepper motor and associated worm/gear 90:1 ratio mechanism
ㆍ 3-position external filter wheel and TTL drive electronics
ㆍ Many grating choices

 

OEM Spectrometer Selection Guide

 

 

General Monochromator Specifications*
Spectral Coverage	185 – 1,100 nm (Effective coverage depending on grating blaze selection)
Spectrometer Input	Free space; SMA; Customization on request
Spectral Resolution	<1 nm with 100 μm x 8 mm slit
Focal Length	100 mm
Optical Dispersion	7.8 nm/mm
Stray Light	< 0.1% (typical)
Wavelength Accuracy	± 1 nm with linear fitting
Step Repeatability	± 0.1 nm (with 1,200 g/mm grating)
F/#	F/2.8
Option:	OEM drive electronics with custom console app

 

 

Grating Selection

H1034 monochromator can be built with several grating choices that all have the same parameters such as curvature, groove density, correction of the aberrations, angle of deviation, and more.

What differs among them is the blazed wavelength.

Grating Type	Blaze Wavelength
Aberration-corrected Concave Holographic Grating	250 nm (covering 185-1,000 nm)	350 nm (covering 185-1,000 nm)	500 nm (covering 300-1,000 nm)	570 nm (covering 350-1,000 nm)
Groove Density	1,200 (gr/mm)
F/#	F/2.8
Dimension	38 mm x 38 mm and 42.4 x 42.4 (± 0.1) mm
Input/output angle of deviation	34.7°
Input arm length	105.19 mm
Exit arm length	100.46 mm
Coating	Aluminum
Grating efficiency	See the plots below

 

 

Grating Efficiency Curves

H1034 gratings can be used in first order for emission scanning and in second and first orders for excitation scanning.

 

Additional H1034 Monochromator Specifications

1-Motor Drive

H1034 monochromator features a 4-phase stepper motor and associated worm/gear 90:1 ratio mechanism, encoded, aligned and focused. Two opto-sensors and associated  hardware for home calibration are included in this OEM configuration.

Monochromator stepper motor scanning configuration
Microstepping	8 μ steps per step
Initial velocity or Minimum speed	300 steps / sec
Maximum speed	800 steps / sec
Ramp-up acceleration	8,000 steps / sec2
Ramp-down acceleration	8,000 steps / sec2
Threshold speed	1,400 steps/sec

 

2- Filter Wheel (Optional)

Three-position compact filter wheel with NEMA 8 stepper motor and opto-sensor for homing that can be completely customized to customer’s requirements (number of filters, filter sizes, positions, etc).

Filter wheel stepper motor scanning configuration
Microstepping	8 μ steps per step
Initial velocity or Minimum speed	0 steps / sec
Maximum speed	500 steps / sec
Ramp-up acceleration	20,008 steps / sec2
Ramp-down acceleration	2,008 steps / sec2
Threshold speed	595 steps / sec

 

3- Interchangeable Input and Output Slits (Optional)

H1034 monochromator is upgradable to have interchangeable input and output slits with various selections of slit width from 0.012 mm to 4.25 mm and 8 mm height.

 

4- Drive Electronics for Monochromator and Filter Wheel

H1034 drive electronics with custom software is designed to control the monochromator components and its accessories.

Drive Electronics for H1034 monochromator system.
OEM Industrial grade.

 

5- Console Application Software & DLL Features

OEM drive electronics has custom software for the H1034 monochromator and the optional shutter/order-sorting mechanism. It is delivered with a console app demo software for fast prototyping, debugging and testing with a super-user configuration tool for customization of the operating parameters, a DLL driver and associated documentation for custom programming (e.g., C#) and integration within the customer’s top-level software.

 

Mechanical Drawings