Spark Lasers ALCOR 1W & 2W - Femtosecond Laser for Biophotonic

Reference number: SPK-Alcor-1W-2W

The ALCOR series ultrafast lasers produce high average power with ultrashort femtosecond pulses at 920 nm or 1064 nm.

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Simon
Kempf

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+49 8153 405-18

s.kempf@laser2000.de

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Dr. Stefan
Kremser

Head of Sales

+49 8153 405-16

s.kremser@laser2000.de

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Marco
Weisser

Technical Sales & Development Engineer

+49 8153 405-52

m.weisser@laser2000.de

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a.holzer@laser2000.de

Description

The ALCOR fs fiber laser from our supplier Spark has been specially developed for multiphoton microscopy and provides the optimal specifications for green fluorescent proteins (GFP) and calcium indicators such as GCaMP with an excitation wavelength of 920 nm. For red-shifted indicators (RCaMP, dtTomato, MCherry), the ALCOR is also available with 1064 nm.
For all users who use both green and red flourophors, the ALCOR is also available as a dual-head with two laser heads and one controller.
With ultra-short pulse durations of < 100 fs and 80 MHz repetition rate, the ALCOR delivers an average power of up to 5 watts (5 W version) which allows high penetration depths or greatly accelerates the scan time by multiplexing.
Due to the fiber laser technology, the ALCOR is also more space-saving and requires less maintenance than conventionally used Titan:Sapphire lasers. This makes it the perfect solution for all users who do not need to cover a wide wavelength range with their 2-photon microscope and are looking for a simple and reliable solution.

The optional ALCOR XSight extension allows you to continuously control the power via an acousto-optic modulator (AOM), and the Flexsight option makes it very easy to integrate the laser into your setup with fiber coupling.

Main Features

Core Specifications	Usability	Applications
High Repetition Rate: 80 MHz	Ultracompact, robust & air cooled	Two-Photon Microscopy
High Power: from 1 W up to 5 W	Plug and play	Neuroscience
Short pulses: 100 fs (standard)	Intuitive user interface

Specifications at 920 nm and/or 1064 nm

Specification	ALCOR	ALCOR XSight	ALCOR FleXSight
Wavelength	920 nm or 1064 nm (1040 nm optional) Dual-Head option with two wavelengths and one Controller.
Average Power	1 W or 2 W	0.75 W or 1.5 W	0.4 W or 0.8 W
Pulselength	100 fs
Polarisation	Linear
Power Stability & RMS Noise	<1 % RMS <1 %
Optical Output	Freespace		2 m fiber delivery with kollimated beam
Warmup time	<5 min
Power adjustment	Alignment mode or full power	0 to 100 %
Ellipticity	>0.9
Modulation	N/A	TTL & Analog
Beam diameter at aperture	1mm (+/- 0.2)		1.3 mm, 2.4 mm or 4 mm
M²	<1.2		<1.3
Repetition Rate	80 MHz (others on request)
GDD Precompensation	Electronically tunable from 0 to -60.000 fs² (others optional)
Electrical Properties
External Interfaces	Sync. Out, USB, RS 232, TCP/IP
Software Interfaces	Intuitive GUI, Serial Communication Protocol
Power Consumption	100 - 240 VAC, < 150 W

Further detailed information and application examples are explained in detail in the recording of our webcast "Evolution of 2-Photon Microscopy with femtosecond ALCOR lasers".