1064nm laser excitation is a common wavelength chosen for Raman spectroscopy. The main benefit of 1064nm Raman spectroscopy is its has the lowest fluorescence of any excitation wavelength. Conversely, it has the lowest Raman signal strength (i.e. about 15x smaller) and requires a longer collection time to see your signal. This can damage certain sample types. Therefore, 1064nm Raman is ideal for certain colored polymers, dyes, oils, or other materials that may have fluorescing components but won’t be damaged with long radiation exposures.
-Raman-HR-TEC-1064 Spectrometers: are our most popular 1064 Raman spectrometers and include an enhanced “low noise” InGaAs detector array with 1024 pixels tuned for 1064nm Raman with advanced detector lens assembly for ultra sensitivity at long exposure times. The spectrometer also includes a 2-stage Thermoelectric cooler for best performance.
-Raman-SR-TEC-1064 Spectrometer: is a slightly more affordable option with 512 pixels providing approximately half the resolution performance over the same range.
-StellarCASE-Raman-1064: is a portable and rugged Raman System for “Open & Measure” Application. This complete system includes a high performance Raman spectrometer (Raman-HR-TEC-1064), High power Laser, and vial holder.
|Raman Spectrometer||Wavelength Range|
|Resolution (cm-1)||Integrated 2-Stage TE Cooler|
HR = High Resolution
SR = Standard Resolution
EHR = Extended Range High Resolution
ER = Extended Range
Note: -HR and -SR models use ultra low dark noise sensor but have smaller wavelength ranges
Specifications for StellarNet Raman Configured Spectrometers
|Optical Resolution:||HR/EHR= 11 cm-1|
SR/ER = 22 cm-1
|Spectral Range:||HR = 200-2.250 cm-1|
SR= 200-2.250 cm-1
ER/EHR = 200-3.500cm-1
Early Start Available
|Diffraction Gratings:||2400/1200 g/mm with gold surface|
Detector & Electronics
|Detector Type:||InGaAs low noise PDA|
512 or 1024 pixels
|Detector Lens:||Advanced cylindrical lens assembly|
|Thermo Electric Cooling:||2 Stage = -30 Deg C|
|Exposure Times:||8 minutes|
|Signal to Noise:||>4000:1|
HR/EHR = 6 x 17 x 15.5 cm
|Weight:||HR/EHR= 1.5 kg|
SR= 0.8 kg
Software & Interface
|Operating System:||Win XP, 7,8,10|
(Wifi & Webserver Options)
|Software:||SpectraWiz, SpectraWiz-ID, LabView, Spectroscopy Pro-tools, Delphi, C, C#|
Interchangeable Slits Upgrades: are available for “HR” optical benches to allow more application flexibility. High Scattering samples can be measured with the smallest slit for highest resolution and weak Raman can be measure with a larger slit to allow for increased light throughput.
Raman-Probe-1064: Attaches to 1064nm laser via FC/APC and spectrometer via SMA 905, has integrated Raman filters and optics (working distance– 4.5mm), high efficiency collection fibers for StellarNet Raman spectrometers
Raman-Probe-TIP: attachements tips can be purchased for additional working distance options. Just screw on to replace
Raman-Probe-TIP-Tele: Telescoping Raman probe tip lens assembly attachment for 3cm working distance. Designed to by mounted on to standard Raman probe with 5mm working distance
RPH4: Raman Probe Holder block supports 1/2″ vials.
RPH5: Vertical Raman Probe Holder Block for powder and solids. Samples are placed onto a slide and inserted into the measurement chamber of the block. Includes a laser safety interlock which only allows the laser to fire when the probe is securely seated into the holder.
Raman-Probe-HT: High Temperature Raman probe to 200 deg C
Raman-Probe-Immersion: Immersion Raman Probes for 1064nm source. Stainless-steel, cylindrical probe head with removable immersion sleeve, overall dimensions 5/8″ (15.8mm) diameter x 8″ (230 mm) length
Raman-Probe-Process: Raman Process Probe for 1064nm source. Stainless-steel pressure sleeve specified to 3000 psi and up to 500ºC. Sapphire window and gold seal are resistant to many corrosive chemical environments.