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Very low vibration cryorefrigerator (90~170 K)
Cryorefrigerator

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Cryorefrigerator Cryorefrigerator

Overview

The cryorefrigerator is a compact high power recirculating cooling system for cryogenic high cooling capacity applications. Especially designed to work in compact chambers for high power laser systems, the closed-loop cooling system ensures maintenance-free operation. The cryorefrigerator consists of a compressor unit, a flexible coolant delivery line and a special cold head with a vacuum flange that directly connects a heat source such as a laser crystal assembly to a chamber in high power lasers. The cold head guarantees an absolutely ultra-compact vibration-free cold source inside chambers.

Features

Very low vibration
High cooling capacity: up to 500 W
Cryogenic temperature: 90 K – 170 K
Cool-down time: 20 min
Maintenance-free
CFF-40 or KF-50 flange

Application

Laser crystal cooling
High power laser amplifier
CEP stabilized laser system
Ti:Sapphire multi-millijoule multi-kHz amplifier system
Quantum cascade laser
Cryopumping

Cold head unit
Flange CFF-40 KF-50
Weight 0.645 kg 0.450 kg
Surface Gold plated, highly polished Gold plated, highly polished
Vacuum application Up to 7.5 × 10-13 torr Up to 7.5 × 10-8 torr
Air-cooled compressor unit
Series K170 A K130 A
Temperature range 160~170 K 100~130 K
Maximum cooling capacity 20 W @ 170 K 75 W/100 W @130 K
Cool down time 20 min
Weight 19 kg 44 kg (75 W model)
47 kg (100 W model)
Maximum sound level @ 1 m 54 dB 61 dB (75 W model)
62 dB (100 W model)
Size(W×H×L) 0.33×0.35×0.46 m 0.42×0.37×0.67 m (75 W model)
0.47×0.43×0.70 m (100 W model)
Power requirement 540 W 850 W (75 W model)
1200 W (100 W model)
Cool lines 2.5 m
Minimum bend radius 0.3 m
Water-cooled compressor unit
Series K170 W K130 W
Temperature range 160~170 K 100~130 K
Maximum cooling capacity 20 W @ 170 K 75 W/100 W/150 W/250 W/500 W @ 130 K
Cool down time 20 min
Weight 17 kg 42 kg (75 W model)
68 kg (250 W model)
Maximum sound level @ 1 m 51 dB 56 dB (75 W model)
62 dB (250 W model)
Size(W×H×L) 0.33×0.35×0.36 m 0.42×0.40×0.57 m (75 W model)
0.46×0.48×0.59 m (250 W model)
Power requirement 540 W 750 W (75 W model)
2900 W (250 W model)
Cool lines 2.5 m 2.5 m (75 W model)
3.0 m (250 W model)
Minimum bend radius 0.3 m 0.3 m (75 W model)
0.4 m ( 250 W model)
Series K110 W K100 W
Temperature range 90~110 K 90~100 K
Maximum cooling capacity 75 W/150 W/300 W @ 110 K 75 W/100 W/150 W @ 100 K
Cool down time 20 min
Weight 47 kg (75 W model)
85 kg (300 W model)
49 kg (75 W model)
69 kg (150 W model)
Maximum sound level @ 1 m 59 dB (75 W model)
64 dB (300 W model)
59 dB
Size(W×H×L) 0.42×0.40×0.57 m (75 W model)
0.44×0.48×0.80 m (300 W model)
0.51×0.48×0.66 m
Power requirement 1600 W (75 W model)
5800 W (300 W model)
1700 W (75 W model)
2500 W (150 W model)
Cool lines 2.5 m (75 W model)
3.0 m (300 W model)
2.5 m
Minimum bend radius 0.3 m (75 W model)
0.4 m (300 W model)
0.3 m
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