Changchun New Industries Optoelectronics Technology Co., Ltd.
Lasers, Optics & Photonics

Spectrum Analyzers
Laser Application Systems
Laser Measurement Tools
Laser Marking
Fiber-Coupled Lasers & LEDs
Optics & Coatings
Laboratory Instruments
Components & Accessories
Components & Accessories
Laser Diode
Laser Optics
Optical Fiber
Beam Expander
AOM and Shutter
Multi-function Optical System
Variable Attenuator
Laser Goggles


Customer Service
TTL or Analog Modulation
Fiber Coupling
Coating Service
Laser Marking Service
Customized Products
Contact CNI
Tel: +86-431-85603799 / 89216078
Fax:    +86-431-87020258
E-mail:  [email protected]
國內: 0431-87020257 / 89216068
Single Longitudinal Mode Laser(SLM Laser)

 Single Longitudinal Mode Laser/ Single Frequency Laser


Raman spectrum
Precision measurement
Interference lithography
Atomic excitation/absorption

Longitudinal mode testing Coherent fringes of 532 nm laser  F-P etalon interference ring
 Single Frequency Laser

CNI Laser manufactures compact diode-pumped solid-state (DPSS) single frequency laser/single longitudinal mode lasers/narrow linewidth laser with narrow linewidth (<10-6 nm) and long coherent length (>100 m). The laser operates in single longitudinal mode and TEM00 mode with low amplitude noise and high stability.

CNI can offer single mode laser in wavelengths (nm) of: 360 457 473 523.5 526.5 532 556 561 577 589 639 656 660 671 721 1047 1053 1064 1313 1319 1342 1550

Another option of ultra narrow linewidth laser which includes diode laser and DPSS laser. The linewidth of diode laser is <0.03nm, and <0.003nm for DPSS laser.

 Frequency Stabilized Single Frequency Laser
In addition to narrow linewidth and long coherent length, the frequency stabilized single frequency laser/narrow linewidth laser has the advantages of stable frequency and low frequency noise.

    • Frequency shift (8 hours): ±200MHz
    • Frequency shift with Temperature: <200MHz/℃

CNI can offer frequency stabilized SLM laser in wavelengths (nm) of: 360 457 473

532 556 561 639 656 660 671 721 1047 1053 1064 1313 1319 1342



 Modulated Single Frequency Laser
Modulated single frequency laser has the advantages of quick modulation rate, high extinction ratio, and easy coding.

CNI can offer modulated single frequency laser/ narrow linewidth laser in wavelengths (nm) of: 473 532 556 561 671

   • Repetition rate: Up to 1MHz
   • TTL/ Analog modulation optional
   • Available for other wavelengths and frequency on customers' request.
 Customized System
We have designed some special wavelength single frequency lasers, such as 670.776nm, 589.159nm, 589.756nm for our customers used for various applications. If you need help, please contact us without any hesitation.  
Addr: No.888 Jinhu Road High-tech Zone,Changchun 130103, P.R.China
Tel:+86-431-85603799     Fax:+86-431-87020258     E-mail: [email protected]
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